Jesse
Heikkinen

3/4/17
6-foot, 180 pound athletic built LHP Michigan State commit. Has been regarded as a top prospect in the state since his freshman year. On the mound sets up at an angle taking a step right lowering his hands using a high leg lift with a high 3/4 arm angle. Throws with a long loose action, striding well off the mound. Fastball sat 88-91 mph with good late run working low in the zone. Downer curve 68-71 mph that will keep hitters off balance. Sinking change up 71-79 mph and a sharp late breaking slider 78-79mph.

6.21.16 - Michigan State recruit. 6-foot-1, 180-pound left-handed pitcher, thin-athletic build. Confident mound presence, works fast, good tempo, challenges hitters with three-pitch mix that he seemingly can throw in any count. Consistent strike thrower, works both sides of the plate well. Athletic, compact delivery, repeats well, loose quick arm action, high-3/4 slot. Fastball topped at 85 mph, sitting 82-83, with arm-side run and occasional sink. Curveball ranged between 67-69 mph, downer action, throws pitch aggressively with similar arm action. Also flashed changeup in low-70s, similar arm action and window.

3/6/16
Heikkinen is a 6-foot, 180-pound Michigan State commit. He stands tall and athletic with his hands back. He showed good bat speed with some pull side raw power. His exit velocity was 86 mph and he ran a 7.42 60-yard dash. In the outfield, he shows a good first step and works good angles to the ball. His velocity from the outfield was 90 mph. On the mound, he throws from an over-the-top arm angle and has quick arm speed. His fastball sat 84-86 mph and topped out at 88 mph with downhill action and occasional run. His curveball showed sharp 12/6 break with good depth at 67-69 mph. His changeup sat 77-80 mph and was thrown with good arm speed and had some depth.

10/17/15
6-foot, 175-pound prospect. Jesse committed to Michigan State during his sophomore year and has continued to impress throughout his development. The left-handed pitcher was 83-87 mph with the fastball showing an explosive delivery and quick arm action. He also featured a curveball with big break at 65-67 mph and a changeup at 75-77 mph that he has continuously showed extreme confidence in. At the plate, barrel works through the zone with some aggression. Works in a middle to pull side approach with an 82 mph exit velocity. In the outfield, he shows athletic moments with strong outfield instincts and an 88 mph throwing velocity. 

12/7/14
6-foot-1, 150-pound prospect. Michigan State commitment has grown and showed off his increased arm strength. Loose athletic ¾ arm slot with clean mechanics from the left side of the mound. Fastball was 81-85 mph with arm side run. Curveball was 63-67 mph, changeup showed good sink at 72-74, and mixed in a slider at 71-73 mph. Clean athletic actions with plus arm strength from the outfield throwing 88 mph. Ran a 7.50 60-yard dash. Open to event stance with loose hands and ability to hit to all fields from the left side. Bat speed registered at 79 mph.