Born10/26/1997 in Esperanza Valverde Mao, Dominican Republic
ProfileHt.: 6'2" / Wt.: 150 / Bats: R / Throws: R
Top Rankings
Organization Prospect Rankings
Track Record: Originally acquired from the Mariners with Freddy Peralta for Adam Lind in December 2015, Herrera progressed up to low Class A Wisconsin in 2017 but spun his wheels at the same level in 2018, largely due to control issues. In 85.2 innings, when piggybacking as a starter/reliever, he issued 48 walks, uncorked 17 wild pitches and hit 10 batters.
Scouting Report: Herrera has added strength since being acquired and has more physical maturity ahead. For now, he throws his fastball consistently in the low 90s and spins a solid curveball that projects above-average. His below-average changeup is still developing.
The Future: The Brewers still believe Herrera has considerable upside and the stuff to advance through the system. He merely needs to learn how to repeat his delivery and throw strikes. He may get a shot high Class A Carolina in 2019.
One of three teenaged pitchers acquired from the Mariners in December 2015 in a trade for first baseman Adam Lind, Herrera was only 18, and coming off an impressive showing in the Dominican Summer League. Herrera was assigned to the Rookie-level Arizona League the next season and led the circuit with 49 strikeouts. The Brewers knew Herrera was raw when they traded for him, but figured his lanky frame would fill out and he would add velocity to his fastball. He has continued to make progress, getting promoted after a couple of weeks in 2017 to low Class A Wisconsin, where he more than held opponents to a .180 average. Herrera's fastball sits in the low 90s, and he has a curveball that's above-average as well as an improving changeup. Not a big strikeout pitcher at this point, he still has command issues at times and needs to work on pitching more in the bottom of the strike zone, but the Brewers believe he'll continue to improve as he logs more innings and his body matures. Herrera didn't turn 20 until after the season ended and has plenty of time to fill out.
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