Drafted in the 15th round (449th overall) by the Los Angeles Angels in 2014.
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Mahle was an impact two-way player as a freshman in 2012 but has served primarily as a bullpen stalwart over the last two years, posting a 2.70 ERA in 70 innings over 32 appearances as a junior this spring. His 6-foot-2, 230-pound frame is maxed out but durable, and his arm is resilient. Scouts love Mahle's tenacity and poise, and he has excellent command of an 89-91 mph fastball that occasionally bumps 93. He has advanced feel for pitching and can vary his arm slot to give hitters different looks. Mahle's best secondary pitch is an average changeup, which helps make him effective against righthanded hitters. But his loose, slurvy breaking ball needs work, as hitters can pick it up fairly easily.
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The Angels' 15th round pick in 2014 continues to sail through the system, reaching Double-A midway through his first full season and closing games there. Mahle, whose brother Tyler pitches in the Reds organization, is a fascinating southpaw, delivering his pitches from three different arm angles and at various speeds. He averaged more than a strikeout an inning at both levels while walking just more than two batters per nine innings. Mahle delivers a sinking fastball in the 90-94 mph range from his three-quarters slot, and slows it down to 85-90 as a sidearmer. His best offspeed pitch is a plus changeup that has good screwball action. He has cut back on the use of the curveball, making the slider his go-to breaking ball. The organization felt he needed to improve the slider, which changes speed depending on the arm slot, so the Angels had him throwing only from the three-quarters slot during the Arizona Fall League. He was hammered there but held lefthanded hitters to a 2-for-12 mark. Mahle will probably always struggle to repeat his delivery because he's not particularly athletic, but he stays on-line to the plate and is deceptive. Mahle will go to big league camp and is likely to make his debut with the Angels sometime in 2016.
One of the more intriguing players in the system, Mahle is a kind of a Swiss army knife who throws a wide variety of pitches from a variety of arm angles. His fastball usually ranges from 90-93 mph from a high-three-quarters delivery and 86-90 mph when he's throwing sidearm or lower. His slider velocity ranges from 75-82 mph, depending on arm slot. His above-average curveball has screwball action and is thrown at 78-80 mph with hard fade, which makes Mahle effective against righthanders and could make him more than a matchup reliever. His changeup with good action earns a plus grade. His delivery, complete with a head snap, isn't pretty, but he stays online to the plate. When Mahle uses his submarine delivery, the ball comes to the batter at an unusual angle, making it hard to pick up. Mahle could move quickly, perhaps even making it to the big leagues in 2015.
Draft Prospects
Mahle was an impact two-way player as a freshman in 2012 but has served primarily as a bullpen stalwart over the last two years, posting a 2.70 ERA in 70 innings over 32 appearances as a junior this spring. His 6-foot-2, 230-pound frame is maxed out but durable, and his arm is resilient. Scouts love Mahle's tenacity and poise, and he has excellent command of an 89-91 mph fastball that occasionally bumps 93. He has advanced feel for pitching and can vary his arm slot to give hitters different looks. Mahle's best secondary pitch is an average changeup, which helps make him effective against righthanded hitters. But his loose, slurvy breaking ball needs work, as hitters can pick it up fairly easily.
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