A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Roberti has an athletic frame with strength present and some projection left to it. He throws from a low three-quarters arm slot, short loose quick arm action, easier effort to his delivery. Hides ball, shoulders are uphill and very closed, lands closed with some fall off in his finish. Fastball was 82-86 with some late hard armside run that had some two-plane action to it. Curveball was 71-73 with good armspeed and sharp hard 10/4 break. Showed ability to throw both pitches in and out and was around the zone with them.
4/23/19
VA/DC Scout Blog
Roberti started the game at second and has an athletic frame with some projection left to it. He showed clean actions at second and a loose arm action with some arm strength. At the plate, hits from the right side and has a short swing with some batspeed. Came in to pitch in relief late in the game. Fastball sat 78-83, touched 84, with some run to it. Ticked down a bit in the stretch to 78-81. Change-up was 73 with good armspeed and fading action. Curveball had 11/5 break and was 65-68 with some armspeed and decent shape to it. Definitely and interesting two-way player to keep an eye on.
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DCPL Scout Blog
Roberti has an athletic frame with strength present and some projection left to it. He throws from a low three-quarters arm slot, short loose quick arm action, easier effort to his delivery. Hides ball, shoulders are uphill and very closed, lands closed with some fall off in his finish. Fastball was 82-86 with some late hard armside run that had some two-plane action to it. Curveball was 71-73 with good armspeed and sharp hard 10/4 break. Showed ability to throw both pitches in and out and was around the zone with them.
VA/DC Scout Blog
Roberti started the game at second and has an athletic frame with some projection left to it. He showed clean actions at second and a loose arm action with some arm strength. At the plate, hits from the right side and has a short swing with some batspeed. Came in to pitch in relief late in the game. Fastball sat 78-83, touched 84, with some run to it. Ticked down a bit in the stretch to 78-81. Change-up was 73 with good armspeed and fading action. Curveball had 11/5 break and was 65-68 with some armspeed and decent shape to it. Definitely and interesting two-way player to keep an eye on.