Isaac
Mattson

5/23/14 Mattson displayed some of the form that has created some late season buzz around his continued availability. While he struggled with command (5 walks in 3 innings) his fastball showed late life sitting 84-86 and touching 87-88 on occasion. The 6-foot-3, 180-pound righty also struggled with command of his 11/5 breaking curveball at 67-69 mph.

6/18/13 Mattson is a 6-foot-3, 180-pound prospect that ran a 7.84 60-yard dash and threw 80 mph from the outfield. Mattson showcased a flat bat path through the zone and a weight shift approach to hitting during his round of batting practice with a bat exit velocity of 82 mph. Mattson showed promise during his bullpen session sitting 81-84 out of a high 3/4 arm slot with some arm side run to his fastball. The long limbed righty also displayed a 67 mph 11/5 breaking curveball and a 75 mph changeup.

6/12/13 Mattson is a 6-foot-3, 180-pound RHP that participated as a pitcher only. The athletically built righty worked out of a high 3/4 arm slot and sat 80-81 with some arm side run. Mattson also showcased command of a 67 mph 11/5 breaking curveball and a 75 mph changeup. He has a loose arm and has the potential to add significant velocity with a few minor adjustments to his delivery.