Robert Osuna burst onto the prospect scene in 2010, signing for a bonus of $1.5 million as a 16 year old out of Mexico. The 6’2, 230 pound right-hander already has a boxy, mature frame with very limited remaining projection, a rarity for a 17-year-old elite pitching prospect. Osuna’s prospect status is concentrated more on current abilities rather than projection.
I saw Osuna pitch in extended spring training and was impressed for a first look at a young arm. He sat 90-92 from the windup, losing a few ticks in the stretch and his heater lacked overall life. His changeup flashed plus potential at 77-79 mph and he really had a good feel for the pitch with late depth and great deception. Along with the lack of projection and only an average fastball, Osuna also had trouble spinning a slider, lacking bite on his breaking ball at 80-82 mph and showing only average potential. His simple delivery and arm action were both good, but Osuna had a wrist cock early in his arm stroke that bothered me a bit.
Osuna put up some dominating performances in the Northwest League and after seeing him recently in instructs, he appears to have taken a big step forward. In the three-inning outing, his fastball sat 89-93 mph but his command was improved, only missing low in the zone and he added and subtracted from the pitch, most often throwing a cut fastball with plus action. Osuna’s changeup was even better, flashing 65 potential (on the 20-80 scouting scale) with late darting action rather than just turning over.
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