RoboScout Top MLB Prospects At Every Level On Sept. 8, 2024

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Are you ready for some football? Hopefully your leaguemates are and you’re not, so you can exploit their divided attention. It’s my favorite strategy to employ in dynasty leagues.

The Low-A and High-A levels are wrapping up and RoboScout will only have the upper levels to analyze before diving into all the offseason content.

All data below is through the games of Sept. 7.

As a reminder, the RoboScore is the value (0 to 100) assigned per level by RoboScout based on 2024 statistical performance and projecting fantasy value (without considering defensive ability or position). The RoboCast number is the RoboScore but with Statcast blended in and then transformed to the 0 to 100 scale.

Low-A Hitters (min 25 PA)

RankNameTeamRoboRoboCast
1Leodalis De VriesSDP100100
2Colt EmersonSEA8692
3Eric BitontiMIL8692
4Michael ArroyoSEA8591
5Aidan SmithSEA8488
6Franklin AriasBOS8387
7Kevin McGonigleDET8287
8Zyhir HopeLAD7987
9Demetrio CrisantesARI7885
10Jaison ChourioCLE8084
11Lazaro MontesSEA8984
12Blake MitchellKCR7984
13Robert CalazCOL8484
14Arjun NimmalaTOR8482
15Walker JenkinsMIN7682
16Jonny FarmeloSEA7681
17Josue De PaulaLAD7380
18Eduardo TaitPHI8679
19Yeremi CabreraTEX7879
20Luis MerejoCLE7678
21Welbyn FranciscaCLE7978
22Max ClarkDET7677
23Jeral PerezLAD7476
24Pablo GuerreroTEX7876
25Bryce EldridgeSFG7076

Twins 2023 third-rounder Brandon Winokur has seven homers, nine steals and a 127 wRC+ over his last 128 plate appearances. He also as a 90th percentile exit velocity (104.5 mph) in the 88th percentile for the level and in the 85th percentile among teenagers with 25 or more Low-A plate appearances. Despite the teenager’s success, RoboScout has not been as optimistic about his future as one would expect. His hapless 62% contact rate comes with a 31% chase rate, which both grade as a 40 on the 20-80 scale. It’d be foolish to write off anyone with 30-homer and double-digit steal potential, but it’s a cautionary tale to not merely look at the counting stats and age-to-level and thinking the arrow is up.

Here are the highest-ranked 2024 draftees at Low-A (minimum 25 plate appearances), per RoboScout.

RankNameTeamRoboRoboCast
1Cam SmithCHC6774
2Nick KurtzOAK6572
3Callan MossKCR6471
4Sam AntonacciCHW6069
5Brendan JonesNYY5968
6Robert HipwellSFG5565
7Ryan WaldschmidtARI5865
8Jared ThomasCOL6064
9Jack CostelloSDP5463
10Ian PetrutzSTL5862

Royals 1B Callan Moss has ranked in the Low-A top five for the last few weeks. It makes sense on face value given his 178 wRC+, two home runs and three steals in 72 plate appearances. The Statcast data also fully supports his case. Moss has some of the best data among FYPD players. The nondrafted free agent has a 106 mph 90th percentile exit velocity and has reached 111 mph. His contact rate is nearly 80% and he is chasing at less than 20% of pitches out of the zone. His overall quality of contact (xwOBAcon above .360) has transcended his suboptimal 60% groundball rate. Moss is an interesting first baseman sleeper who looks like he is worth a flier with a late-round FYPD pick.

White Sox shortstop Sam Antonacci is another interesting late-round pick. His 90% contact rate and sub-15% chase rate are both elite marks for the level. The infielder also has seven stolen bases without being caught. His lack of meaningful power is a concern. The 21-year-old’s 105 mph max exit velocity is in the lower third for the level for his age. Of course, he has had far fewer plate appearances to achieve a max. His 102.7 mph 90th percentile exit velocity, on the other hand, isn’t exactly in full slap hitter territory. Add it all together, and RoboScout has him as a late-round FYPD target.

Low-A Pitchers (min 15 IP)

RankNameTeamRoboRoboCast
1Matt WilkinsonCLE100100
2Travis SykoraWSN9495
3Jonah TongNYM9192
4Quinn MathewsSTL8688
5Alejandro RosarioTEX8587
6Didier FuentesATL8487
7Jarlin SusanaWSN8185
8George KlassenLAA8184
9Yujanyer HerreraMIL8384
10Santiago SuarezTBR8084
11Grant TaylorCHW7783
12Trevor HarrisonTBR8082
13Kohl DrakeTEX8282
14Sean LinanLAD7878
15Anderson BritoHOU7378
16Jace KaminskaCOL7677
17Gabriel ReyesDET8077
18Alex ClemmeyWSN7777
19Jojo IngrassiaBOS7776
20Mavis GravesPHI7876
21Josh KnothMIL7576
22Gary Gill HillTBR7676
23Michael KennedyPIT7875
24Elmer Rodriguez-CruzBOS7575
25Christian ZazuetaLAD7575

The same 25 pitchers stay in the Top 25 at Low-A. With the season materially over, I don’t expect much to change. In other words, these are essentially the Low-A ThrowboScout pitcher rankings.

Seven of the top nine were promoted out of the level. Only Travis Sykora (Nationals) and Dider Fuentes (Braves) from that group remain.

Chen-Wei Lin was Cardinals’ pitcher of the month for August. Since July 29, Lin has a 24.5% strikeout-minus-walk rate, a 0.91 WHIP and a 1.06 ERA while averaging over five innings in his last six appearances. On the season, the 22-year-old righthander has a 19% strikeout-minus-walk rate and a 2.79 ERA. His arsenal is better-than-average with a 96 mph four-seam fastball with big extension, an 85 mph bullet slider, an 87 mph changeup that gets over 50% whiffs, a 94 mph two-seam fastball, and even a splitter that gets over 50% chases too.

Right now, RoboScout doesn’t see him as more than an up-and-down starter because he is a bit older than other prospects at the level. His lower-level success is primarily driven from his offspeed mix, but he has a better-than-average arsenal and should be watch-listed. That being said, if in 2025 the pitch mix once again plays against more advanced hitters, he could be a quick riser, both on fantasy prospect lists and across levels as well.

High-A Hitters (min 25 PA)

RankNameTeamRoboRoboCast
1Michael ArroyoSEA100100
2Luke KeaschallMIN9295
3Colt EmersonSEA9294
4Bryce EldridgeSFG9294
5Luke AdamsMIL9092
6Cam CollierCIN9192
7Lazaro MontesSEA9892
8Walker JenkinsMIN8991
9Sebastian WalcottTEX9891
10Kevin McGonigleDET8790
11Josue De PaulaLAD8589
12Sal StewartCIN8489
13Carter JensenKCR8687
14Alex FreelandLAD7683
15Thayron LiranzoLAD7883
16Xavier IsaacTBR9083
17Jhostynxon GarciaBOS7983
18Anthony HuezoHOU8882
19Max ClarkDET8082
20William BergollaCHW8182
21Jesus BaezNYM8080
22Cooper IngleCLE7480
23Tre’ MorganTBR7679
24Ralphy VelazquezCLE7879
25Angel GenaoCLE7579

In 2021, Phillies outfielder Hendry Mendez caught the attention of RoboScout while in the Brewers system on the strength of his bat-to-ball skills. He maintained a solid walk-to-strikeout rate in full-season ball in 2022, but fell out of favor with just a .074 ISO, a 63% groundball rate, and fringe-average speed, essentially eliminating himself from fantasy relevance. Mendez hinted at the green shoots of a renaissance after the Phillies acquired him prior to this season in the Oliver Dunn trade, posting a 129 wRC+ as a 20-year-old for High-A Reading. He has really turned it on over the last month.

Mendez owns a .356/.441/.535 triple slash with a 13% walk rate and a 9% strikeout rate over his last 111 plate appearances. He’s still hitting the ball too much into the ground. Mendez has a 60% groundball rate with only three home runs in 369 plate appearances. But he’s raised his 90th percentile exit velocity from 102.5 mph in 2023 to 104.6 mph in 2024. He’s also hit a ball at over 111 mph this year too, surpassing his career max velocity of 109.7 mph coming into the season. His swing decisions and his contact rates remain above-average to plus, and at 20 years old, projects to a near .340 on-base percentage in the major leagues.

Interestingly, Mendez has near identical Statcast metrics to another Phillies outfielder in his age-20 season at High-A, with the exception of a far lower chase rate and much less speed.

 PAwRC+GB%Whiff%90EV (mph)Chase%Brl%xwOBAcon
H Mendez36512960%19%104.619%12%.299
J Crawford31712461%19%104.835%12%.301

Mendez is back to having a solid starter pack for a fantasy prospect. He really needs to address his preponderance for near-horizontal launch angles. Considering the bat speed gains, Mendez is worth a flier in 400-prospect leagues.

D-backs 3B Gino Groover was an interesting FYPD pick in 2023 on account of his low 16% strikeout rate and 105 mph 90th percentile exit velocity while at NC State in his final college season. Unfortunately, in his professional career, Groover has not really performed. His production is a useful reminder to lower exit velocity expectations when accounting for the transition from aluminum to wood bats.

Groover has achieved only a 101 mph 90th percentile exit velocity in both 2023 and 2024. He has seven homers in 175 plate appearances with High-A Hillsboro. Six of those, however, came in the last five weeks, earning him a promotion to Double-A where he has hit a bomb and stolen a bag with a 174 wRC+ in his first six games at Amarillo.

Under the hood, Groover has maintained the plus contact rate and average chase rate that he showed in his college career. Because of the above-average hit tool, he could conceivably be a .265/.330 bat in the majors, but with below-average power and speed unless he meaningfully improves his bat speed. Groover has a hard bar to clear for a fantasy third baseman, but we’ll keep our eye on him.

Here are the highest-ranked 2024 draftees at High-A (minimum 24 plate appearances), per RoboScout.

RankNameTeamRoboRoboCast
1Cam SmithCHC6976
2Brendan JonesNYY6272
3Travis BazzanaCLE5868
4Dylan DreilingTEX5563
5Joshua Kuroda-GrauerOAK5260

With his first home run in High-A to go along with a stolen base and a 180 wRC+, Cam Smith (Cubs) continues to be the top-ranked FYPD name by a large margin. With a max exit velocity of 111 mph already, the thump is real. When paired with average to better-than-average contact rates and swing decisions, he looks more than capable of 25-homer power.

High-A Pitchers (min 15 IP)

RankNameTeamRoboRoboCast
1Alejandro RosarioTEX100100
2Jarlin SusanaWSN9698
3Quinn MathewsSTL9696
4Matt WilkinsonCLE9896
5Noah SchultzCHW9396
6Owen MurphyATL9394
7Luis PeralesBOS9194
8Chase DollanderCOL9092
9Sean SullivanCOL9592
10K.C. HuntMIL9392
11Kohl DrakeTEX9391
12Jedixson PaezBOS9389
13Zebby MatthewsMIN8687
14George KlassenPHI8787
15Jonah TongNYM8887
16Alessandro ErcolaniPIT8285
17Thomas WhiteMIA8485
18Owen WildTBR8584
19Ryan LobusTEX8282
20Moises ChacePHI7982
21Jaden HammDET8482
22Ethan PeckoHOU8281
23Ty JohnsonCHC8180
24Andry LaraWSN8380
25Austin PetersonCLE8280

Fireballing Nationals righty Jarlin Susana has ascended to the penultimate High-A rank after 20 strikeouts to just three walks across his last 10 innings. Susana has a 40% strikeout rate over his last seven starts, trailing only Rays pitchers Ty Johnson and Jackson Baumeister among starters who have made at least three starts since July 29. Susana also has a 20% swinging strike rate during that time, leading the same cohort of pitchers.

Susana has a 9% walk rate in High-A–it has crept into the double digits recently–and his command will ultimately drive his future potential as a starting pitcher. He gets an inordinate amount of groundballs, however, which mitigates his bullpen risk. He owns a 53% groundball rate for the level after posting a wormicidal rate of 65% in his 56 innings at Low-A.

A sleeper in 2023, Susana has firmly put himself back on the top pitching prospect radar. RoboScout agnostically ranks him in the top 10 overall based on his single-year performance. If that surprises you, here are the top strikeout-minus-walk-rates in High-A since 2006 amongst pitchers 20-years old or younger, with at least 40 innings pitched (and note that Michael Kopech’s 2016 season is just off the list with a 25.9% rate):

We mentioned Rays righty Ty Johnson last week. The former Cubs arm pitched another three innings this week with four more strikeouts and no walks. Ever since joining the Rays, it appears he’s throwing from a release height four inches lower compared to his time with Chicago. Whether directly attributable or not, his four-seam fastball has gained 1 mph of velocity since joining the Rays and has elicited whiffs at a 42% rate compared to 37% while with the South Bend Cubs.

Double-A Hitters (min 25 PA)

RankNameTeamRoboRoboCast
1Emmanuel RodriguezMIN100100
2Roman AnthonyBOS9091
3Agustin RamirezNYY8990
4Luke KeaschallMIN8589
5Moises BallesterosCHC8887
6Cole YoungSEA8485
7Kristian CampbellBOS8085
8Matthew LugoLAA8084
9Samuel BasalloBAL9081
10Carter JensenKCR8080
11Alex FreelandLAD7480
12Ryan CliffordNYM8080
13Edgar QueroCHW7780
14Dalton RushingLAD7279
15Carson WilliamsTBR8078
16Hao-Yu LeeDET7878
17Jimmy CrooksSTL7278
18Matt ShawCHC7677
19Cooper IngleCLE7076
20Deyvison De Los SantosARI8376
21Jhostynxon GarciaBOS7375
22Alejandro OsunaTEX7175
23Colby ThomasOAK7274
24Jacob WilsonOAK6874
25Tre’ MorganTBR7173

In 2022, Orioles infielder Frederick Bencosme was a popular name in the data-driven prospect model space. He had an 11% walk rate, a 12% strikeout rate and a 138 wRC+ as a 19-year-old in full-season ball, earning a promotion to High-A at the end of the year. Despite again showing a solid hit tool in 2023 with a strikeout rate below 15% to go along with 28 steals, he had a very disappointing 88 wRC+ and 0.072 ISO over 476 plate appearances at High-A Aberdeen. As it has since his stateside debut, his contact rate has remained at around 80% and his chase rate has remained around league average in 2024. This season, though, is hitting with more authority and with more regularity.

Bencosme’s 90th percentile exit velocity was 95.1 mph in 2022. In 2023, it was 98.1 mph. This year, with over 325 balls in play, his 90th percentile exit velocity is up to 100.1 mph and he’s raised his xwOBAcon from .282 in 2023 to .323 this year, essentially league average. On the season, he still only has a 97 wRC+ over his 471 plate appearances at Double-A Bowie, but in his last six weeks, over 131 plate appearances, he has hit four home runs and stolen 11 bases with a 147 wRC+.

As an athletic 21-year-old in Double-A who can play adequate shortstop defense or above-average second base defense, his floor is actually relatively high. Bencosme’s long leash should give him ample opportunity to answer the question whether he can achieve his 90th percentile true talent outcome of a .270/.330 hitter with 15 home runs and 20 stolen bases.

Rockies second baseman Adael Amador has had a very volatile season. For months, he was one of the coldest hitters in the minors before quickly becoming the hottest and earning a major league callup to a Colorado club beset by injuries. Amador was once again relatively quiet after being sent back down to Double-A Hartford. He has started to pick it up as of late.

In the last six weeks, Amador has a 126 wRC+ with six home runs and eight stolen bases over 139 plate appearances. His contact rate for the season is still plus at 79%, but that feels like a disappointment considering it was 87% in 2023. He also has maintained a chase rate around 20%. Although the gloss has become a bit more matte of a finish, he still shows an above-average hit tool. With the Coors factor, he should still be able to put up 20/20 type fantasy seasons with the Rockies. It just hasn’t been the step forward into the elite prospect tier in 2024 as we had hoped.

Double-A Pitchers (min 15 IP)

RankNameTeamRoboRoboCast
1Zebby MatthewsMIN100100
2Noah SchultzCHW9898
3Tink HenceSTL9996
4Logan HendersonMIL9896
5Kumar RockerTEX9795
6Quinn MathewsSTL9594
7K.C. HuntMIL9592
8Moises ChacePHI9192
9Bubba ChandlerPIT9191
10Chase DollanderCOL9091
11Chandler ChamplainKCR9591
12Braxton AshcraftPIT9190
13Thomas HarringtonPIT9088
14Brandon SproatNYM8987
15Brett KerryLAA9187
16Sean SullivanCOL9186
17Eiberson CastellanoPHI8885
18Zach PenrodBOS8885
19Brandon YoungBAL9085
20Troy MeltonDET8585
21Cameron WestonBAL8684
22Ben ShieldsNYY8584
23Caden DanaLAA8684
24Andrew MorrisMIN8683
25Carson PalmquistCOL8582

Cardinals righty Tink Hence has passed Kumar Rocker (Rangers) on the Double-A robo-rankings. Hence is now firmly at No. 3 after striking out eight Royals and walking one over four innings this past week. Despite a relatively quiet season, Hence has actually performed extremely well in 2024. He looks poised to join the Cardinals in a substantive capacity in 2025.

Although Pirates righty Bubba Chandler has received far more fanfare this year, both he and Hence are in their age-21 season. The Cardinals righty has actually achieved better results in Double-A:

 AA IPK%BB%WHIPERAGB%SwStrk%
Hence (22.1 yr old)78.134%8%1.062.7642%16%
Chandler (21.11 yr old)80.129%8%1.013.7041%13%

Hence is a top-40 fantasy prospect per RoboScout.

Red Sox righty Isaac Coffey doesn’t have stuff that pops on contemporary pitch models. Still, he has quietly dominated for Double-A Portland since July 29. Over his last six appearances, he has struck out 38% of batters, walked fewer than 5% with a 0.94 WHIP and 2.03 ERA over 31 innings.

Coffey’s four-seamer only averages 89 mph. But he throws it from one of the lower slots for a starting pitcher in the minors. Coffey’s four-seamer comes in at a super flat -3.7 VAA and has over 20 inches of armside run. His 74 mph slider/sweeper, on the other hand, has over 18 inches of gloveside run, while his 82 mph cutter bridges the chasmic East-West movement. On the season he has a lofty 10% walk rate but cut his walk rate in half on his month-long hot streak–after raising his release height by around 4.5 inches. His 138 strikeouts are second-highest in the Eastern League this year.

Coffey is an interesting specimen. He shows flashes of back-of-the-rotation potential, but with his unique look from the right side with massive horizontal movement, he could probably best serve the Red Sox as a member of the bullpen as a Greg Weissert-type.

Triple-A Hitters (min 25 PA)

RankNameTeamRoboRoboCast
1James WoodWSN100100
2Jackson HollidayBAL9392
3Kyle ManzardoCLE8690
4Coby MayoBAL8690
5Adrian Del CastilloARI7986
6Miguel VargasLAD7986
7Andy PagesLAD7985
8Roman AnthonyBOS8184
9Chase MeidrothBOS7683
10Jose FerminSTL7180
11Dillon DinglerDET7078
12Shay WhitcombHOU7577
13Jasson DominguezNYY7377
14Jacob WilsonOAK7077
15Kristian CampbellBOS6877
16Nacho Alvarez Jr.ATL6976
17Moises BallesterosCHC7576
18Luis MatosSFG7076
19Agustin RamirezMIA7075
20Matthew LugoLAA6774
21Andres ChaparroARI6874
22Orelvis MartinezTOR7173
23Joey LoperfidoHOU6573
24Junior CamineroTBR7073
25Dalton RushingLAD6272

Old friend George Valera (Guardians) has been on a bit of a hot streak for the last month or so. In his last 122 plate appearances, the 23-year-old outfielder has a 137 wRC+ with eight home runs and four stolen bases. The strikeout rate is a little high at 29%, but his contact rate is just about league average at 71%. The thump has remained very much real and spectacular. His 106.0 mph 90th percentile exit velocity is actually essentially identical with Dalton Rushing (Dodgers) and Andy Pages (Dodgers) who are all in the same-aged season as Valera, and ahead of org mate Kyle Manzardo (Guardians).

Valera’s prospect stock has fallen significantly but keep in mind that he is…

  • A) in Triple-A
  • B) Still only 23 years old
  • C) The Guardians could use a lefthanded-hitting outfielder with power

Add it all up, and Valera might be providing useful fantasy production in 2025.

Twins infielder Payton Eeles may be an interesting redraft target in 2025. The lefthanded hitter has been a jack-of-all-trades adequately playing second base, shortstop, third base, and even center field. He is showing extremely similar Statcast traits to fellow potential MLB utilityman Tyler Black (Brewers). In fact, the following players in Triple-A are all kind of clustered in a similar Statcast cloud:

 Contact%90th EVxwOBAconChase%Barrel%
P Eeles (24 yr old)86%100.6 mph.32019%12%
T Black (23 yr old)81%101.7 mph.33720%14%
J Triantos (21 yr old)86%102.3 mph.30229%11%
C Meidroth (22 yr old)89%101.2 mph.32716%11%

It’s a bit of a clunky comparison. They are not all the same age and there are some outlier contact and chase rates among them. But it does help to illustrate that Eeles has an above-average hit tool with fringe-average power. He’s likely underrated considering that he can play average-or-better defense all over the diamond. With his above-average speed, RoboScout sees him as a viable fantasy bat who could put up full-season lines in the majors of .260/.330 with 10 home runs and 20 stolen bases. Eeles is extremely underrated and sure to rise in prospect lists in the offseason.

Triple-A Pitchers (min 15 IP)

RankNameTeamRoboRoboCast
1Paul SkenesPIT100100
2Christian ScottNYM9190
3Zebby MatthewsMIN8887
4Tylor MegillNYM8885
5Bubba ChandlerPIT8484
6David FestaMIN8884
7Jack LeiterTEX8281
8Reid DetmersLAA8780
9Logan HendersonMIL8380
10Yilber DiazARI8379
11Will WarrenNYY8079
12Thomas HarringtonPIT8178
13Cade PovichBAL8278
14Chayce McDermottBAL8077
15Quinn PriesterPIT8277
16Louie VarlandMIN7976
17Cristian MenaARI7974
18Carson SpiersCIN7574
19Alec MarshKCR7774
20Noah CameronKCR8074
21AJ Smith-ShawverATL7673
22Brandon YoungBAL7973
23Michael McGreevySTL7873
24Tobias MyersMIL7373
25Brandon SproatNYM7472

Tigers righty Ty Madden is No. 37 on the Triple-A ThrowboScout rankings but earned a callup, and has made two appearances in the major leagues. On the season in Triple-A, the 24-year-old righthander has a 28% strikeout rate, an 11% walk rate and a 1.77 WHIP and 7.97 ERA over 79 innings. In his last four appearances, spanning 24 innings, he had a 35% strikeout rate, a much more palatable 6% walk rate and the highest swinging strike rate of any Triple-A starter since July 29th with 19.7%.

Looking under the hood, Madden tweaked his mechanics in the second half of the season, lowering his release height since June 28 by 2-3 inches, leading to an increase of about half a tick in velocity across the board on his pitch mix while throwing his changeup about half a tick slower. This led to an increase in his called-strike-plus-swinging-strike-rate (CSW%) from 42% on June 28 to 49% in the 48 innings he’s thrown since then. Not only that, but his whiff rate increased from 34% to 39% and his chase rate increased from 25% to 35% in that same time period. If these substantive changes are sticky, Madden increases his likelihood of staying in the big leagues as a midrotation starter.

Since being promoted to Triple-A at the end of July, Noah Cameron (Royals) has thrown 44 effective innings with a 30% strikeout rate, a 5% walk rate, a WHIP of 1.00 and an ERA of 2.64 while never throwing fewer than six innings in any of his seven starts.

The lefthander’s four-pitch mix doesn’t jump off the page from a “stuff” perspective. He throws a 92 mph four-seam fastball which has kissed 96 mph, an effective 80 mph changeup, an 80 mph curveball that has an above-average CSW%, and a 90 mph cutter. But he has had success pounding the strike zone at Triple-A Omaha and actually has a Steamer projection that is very similar to Michael Wacha.

The Royals need to add Cameron to the 40-man roster after this season or risk another team plucking him in the Rule 5 draft. RoboScout bets that the Royals add him and that he plays a significant role in their rotation in 2025.

Happy bidding!

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