Drafted in the 20th round (581st overall) by the San Diego Padres in 2003.
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RHP Leo Rosales has been one of the lone bright spots in a dismal season at Cal State Northridge, which was ravaged by the draft a year ago. He has two plus pitches: an 88-92 mph fastball and a 78-82 curve.
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Rosales was a workhorse starter at Cal State Northridge before blossoming into one of the top relief prospects in the Padres system. He led the low Class A Midwest League in saves in 2004, then repeated the feat in the California League last year. He put an exclamation point on the season by recording a win and two saves in four scoreless postseason appearances. Rosales features the best changeup in the system, a plus-plus offering one scout referred to as a "changeup from hell." His fastball has average velocity, sitting at 89-91 mph, but it's straight and he leaves it up in the zone too often. He does use a curveball but it offers little break. Rosales' mechanics are violent, the main reason his command is spotty. He has the same repertoire that Trevor Hoffman has used for years, though Hoffman threw much harder in his younger days and has top-of-the-line command. Rosales' changeup is good enough to carry him to the majors, but his ability to develop an effective second pitch will define whether his future is as a long reliever or a valuable set-up option. He'll face a big test in Double-A this season.
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Rated Best Changeup in the San Diego Padres in 2006
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