March 1st, 2018 Rivera has a broad shouldered, lean, and athletic frame at 6-foot-1 188-pounds. Fastball topped at 84 MPH and sat mostly 82-84 from a high-3/4 slot. Fastball creates late life and armside run. Showcases a changeup with heavy sinking action at 73-75 and curveball has 11/5 shape at 67-71. Slow, methodical start to delivery into a firm balance point. Stays over his backside has he descends down the mound – which creates the "whipping" motion in arm and body. Strong lower half, able to extend over front side with some deception. High follow prospect with a lot to like. One of the top 2020 prospects in NJ.
Future Games Trials (February 17th, 2018)
Rivera stands at 6-foot-1, 188-pounds. Has a strong and athletic frame overall. Ran the 60 yard dash in 7.75 seconds. Recorded an exit velo of 84 MPH. Offensively begins in an even stance with his feet wide. Hands are above shoulder height, away from the body. Elbow starts high and parallel to the ground. Weight is also shifted onto his frontside before he loads. Pre-swing rhythm. Hands stay in position as he loads. Small stride with front foot inversion. Completely clears his hips. High finish. Defensively, he took reps in the infield and recorded a best velo of 82 MPH. Fields the baseball under control. Transfers the ball around midsection height. Has a high frontside as he creates momentum towards his target. On the mound, Rivera begins on the first base side of the rubber with his feet spread apart. Has a long, loose and clean arm action. Releases the ball from a 3/4 arm slot. Pitches with consistent rhythm and tempo. High frontside. Uphill shoulder tilt as he descends the mound. Starts with his feet even and back leg preset in the stretch. Fastball topped 84 MPH and sat 82-84 MPH. Located FB to both sides of the plate. Curveball showed true 11/5 shape at 68-69 MPH. Has ability to throw CB for both strikes and as a swing and miss pitch. Changeup showed fade and slight run at 71-72 MPH.
Future Games (August 3, 2017)
Athletic 5-foot-11 165 pound righty with square shoulders flashed an above average breaking ball (10-4 across the the zone shape) in his first inning of work complimented by a FB that sat 83-84 MPH. Down action change also featured some late arm side fade at 72-73 MPH. Pitches to contact.
3/1/17
Rivera has a lanky athletic build at 6-foot-1 160-pounds. Fastball topped at 83 mph, sat mostly 80-82. Breaking ball had some 11/5 depth and shape at 67-69 and also flashed a changeup with armside fade at 77-79. Projectable frame with a very quick arm for age. Long, loose and free arm action with repeatable mechanics. Balance point is tall and athletic. Drop and drive type pitcher. Coils body in leg lift. High-3/4 slot - lands athletic, in line, and controlled. Creates excellent extension over front lead leg on release. High follow prospect.
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March 1st, 2018
Rivera has a broad shouldered, lean, and athletic frame at 6-foot-1 188-pounds. Fastball topped at 84 MPH and sat mostly 82-84 from a high-3/4 slot. Fastball creates late life and armside run. Showcases a changeup with heavy sinking action at 73-75 and curveball has 11/5 shape at 67-71. Slow, methodical start to delivery into a firm balance point. Stays over his backside has he descends down the mound – which creates the "whipping" motion in arm and body. Strong lower half, able to extend over front side with some deception. High follow prospect with a lot to like. One of the top 2020 prospects in NJ.
Future Games Trials (February 17th, 2018)
Rivera stands at 6-foot-1, 188-pounds. Has a strong and athletic frame overall. Ran the 60 yard dash in 7.75 seconds. Recorded an exit velo of 84 MPH. Offensively begins in an even stance with his feet wide. Hands are above shoulder height, away from the body. Elbow starts high and parallel to the ground. Weight is also shifted onto his frontside before he loads. Pre-swing rhythm. Hands stay in position as he loads. Small stride with front foot inversion. Completely clears his hips. High finish. Defensively, he took reps in the infield and recorded a best velo of 82 MPH. Fields the baseball under control. Transfers the ball around midsection height. Has a high frontside as he creates momentum towards his target. On the mound, Rivera begins on the first base side of the rubber with his feet spread apart. Has a long, loose and clean arm action. Releases the ball from a 3/4 arm slot. Pitches with consistent rhythm and tempo. High frontside. Uphill shoulder tilt as he descends the mound. Starts with his feet even and back leg preset in the stretch. Fastball topped 84 MPH and sat 82-84 MPH. Located FB to both sides of the plate. Curveball showed true 11/5 shape at 68-69 MPH. Has ability to throw CB for both strikes and as a swing and miss pitch. Changeup showed fade and slight run at 71-72 MPH.
Future Games (August 3, 2017)
Athletic 5-foot-11 165 pound righty with square shoulders flashed an above average breaking ball (10-4 across the the zone shape) in his first inning of work complimented by a FB that sat 83-84 MPH. Down action change also featured some late arm side fade at 72-73 MPH. Pitches to contact.
3/1/17
Rivera has a lanky athletic build at 6-foot-1 160-pounds. Fastball topped at 83 mph, sat mostly 80-82. Breaking ball had some 11/5 depth and shape at 67-69 and also flashed a changeup with armside fade at 77-79. Projectable frame with a very quick arm for age. Long, loose and free arm action with repeatable mechanics. Balance point is tall and athletic. Drop and drive type pitcher. Coils body in leg lift. High-3/4 slot - lands athletic, in line, and controlled. Creates excellent extension over front lead leg on release. High follow prospect.