Drafted in the 27th round (815th overall) by the Seattle Mariners in 2015.
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Listed at 6-foot-3, 225 pounds, Rivera has a good pitcher's body and is developing an arsenal to match. He throws his fastball 88-91 mph and has touched 93 mph with some sinking action. He does a good job of throwing it for strikes down in the zone. His breaking ball gets slurvy at times, but at its best has some bite to it, and he's still working to develop a changeup. Rivera earns praise for his aggressiveness on the mound and his advanced feel for pitching. He is committed to Alabama State.
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Draft Prospects
Listed at 6-foot-3, 225 pounds, Rivera has a good pitcher's body and is developing an arsenal to match. He throws his fastball 88-91 mph and has touched 93 mph with some sinking action. He does a good job of throwing it for strikes down in the zone. His breaking ball gets slurvy at times, but at its best has some bite to it, and he's still working to develop a changeup. Rivera earns praise for his aggressiveness on the mound and his advanced feel for pitching. He is committed to Alabama State.
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