Sean
Sinisko

7.27.17 - Illinois State commit. 6-foot-5, 230-pound, extra-large, left-handed hitter. Better known for his ability on the mound but played first base in this game. Reached in all four of his plate appearances. Hit a three-run triple to deep center field in his first at-bat of the game. Also, was hit by a pitch twice and had an infield single.

4.26.17 - Illinois State commit. Big large frame with sloped shoulders and strong looking lower half. Throws from two slots, low 3/4 and ¾, slings the ball at times. On line to the plate with long arm action and a high back elbow and slight stab.  Average arm speed with effort to his delivery.  Aggressive and attacks hitter with a three pitch mix and keeps the ball down for the most part. Fastball was 83-86 mph settling in at 83-85 mph. Has late run to it and throws it to both sides of the plate. Curveball is a short, tight, late breaking pitch. Threw strikes with all of his pitches. At times showed feel to pitch and at time pitched to the level of his competition. Went 5 innings on this night and threw better then the box score shows. Has stuff and will continue to improve as he becomes more consistent.. 

2.19.17 - Illinois State commit. 6-foot-5, 230-pound left-handed pitcher. On the mound works from a low ¾ arm angle with a loose arm action. Tall and fall delivery working in line with home plate. Fastball has running action at 84-86 mph for strikes. Curveball has tight sweeping action at 70-74 mph for strikes. Slows on changeup that has sinking action at 70-73 mph for strikes.

9.21.16 - Verbally committed to Illinois State.

Future Games 2016 - 6-foot-5, 230-pound left-handed pitcher; big, durable frame, wide shoulders with solid lower half. Works slightly across his body, arm slot ranges somewhere between 3/4 to a few ticks below, depending on the inning. Although inconsistent with the slot, the net result is he can create an uncomfortable at-bat. Fastball ranged between 82-85 mph with some arm-side sink when not underneath the baseball. Breaking ball sat 66-68 mph, inconsistent shape, more sweeping action, tendency to get underneath. Worked two effective innings at the Future Games. 

7.30.16 - 6-foot-5, 230-pound two-way prospect. Known for his ability on the mound, Sinisko started the day at first base. Large frame. Offensively, balanced setup, short stride, uphill path. Pull side approach. Went 2-3 with a double and two RBIs.

6.20.16 - a 6-foot-4, 210-pounder, continued to elevate his stock in his second appearance for Top Tier. The wide-shouldered left-hander threw well in two innings, including striking out the side in the first behind an 82-83 mph fastball and 68-71 mph slider.

6.18.16 - features a large 6-foot-4, 215-pound frame with a fastball in the 82-85 mph range and a sweeping 70-73 mph breaking ball that follows his low-¾ slot. He also showed a 70-76 mph change-up with arm-side run and occasional sinking action when in the chase zone. Sinisko tossed 2.1 scoreless innings with three strikeouts to seal the win for Top Tier.

1.17.16 - Big-bodied, extra-large frame 6-foot-4, 210-pound left-handed pitcher. Worked out of a high ¾ window, long and loose arm action. Good overall feel for his three-pitch repertoire. Delivery showed rhythm, in-line direction and square landing. Fastball, thrown for strikes, flashed arm-side-run and ranged between 79-81 mph, touching 82. Curveball, showed feel and worked with 1/7 shape and clocked at 65-69 mph. Changeup was also thrown for strikes, clocked at 70-73 mph.

10.25.15 - Extra-large 6-foot-4, 210-pound, two-way player, sturdy build, projects best on the mound. Delivery shows some rhythm, keeps front side closed, soft landing flexed front knee, exaggerated finish. Arm action is loose, quick strong arm, high ¾ slot. Fastball flashed slight action, mostly down, 80-81 mph, topped at 82 mph. Curveball showed feel, gradual 1/7 action, 65-67 mph. Straight changeup flashed feel for the zone, 70-73 mph. Left-handed hitter, balanced stance, drops hands into load, short stride. Long uphill path, pull side approach. 77 mph exit velocity from the tee. Defensively showed actions around the bag, short loose arm action, 76 mph across the diamond.