Prep Baseball Report
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CLASS OF 2027

RHP
3B

Sean
Plessa

Rochester (HS) • IL
6' 4" • 170LBS
R/R • 16yr 7mo
Travel Team: Rochester Rockets

Rankings

2027 National

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2027 State

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Commitment

UNCOMMITTED
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Pitch Scores

Pitching Velos

2025
2024
Fastball
Velocity Max
82.0
Fastball
Velocity Avg
81.0
Curveball
Velocity Avg
65.5
Fastball
Velocity Max
75.0
Fastball
Velocity Avg
76.0
Curveball
Velocity Avg
64.2
2025 IHSA
Mar 17, 2025
Pitching
82
Max FB
80 - 82
FB
65 - 66
CB
PBT Illinois Open
Jun 28, 2024
Pitching
78 - 80
FB
62 - 64
CB

Game Performance

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Pitch Ai

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Comments

5/20/25
Uncommitted. Projectable 6-foot-4, 170-pound frame. Started the game as the DH and hit out of the six-hole. Came out of the pen in relief. Plessa showed some impressive stuff in his inning of work on Tuesday. The right-hander operates from a tall/fall approach with a high leg lift. Long, clean arm action with good extension from a ¾ slot. Fastball sat 81-82 with straight actions. Mixed in a curveball that sat 65-66 with late actions. Intriguing 2027 arm to keep an eye on.
5/09/25

Uncommitted, standing in at a long-levered 6-foot-4, 170-pound frame. Plessa batted sixth for Rochester and got the start at first base in Friday’s 8-5 win. The right-handed hitter showed quality bat-to-ball skills and looked to attack early in the count. Plessa possessed a whole field approach, spraying the ball to both sides for a pair of singles. He would finish the day going 2-for-3 with a walk.

3/28/25

RHP, Sean Plessa, Rochester, 2027 Uncommitted. Lanky 6-foot-4, 170-pound frame with room to fill out. Plessa started on the mound and hit in the six-hole. Long arm action, good extension from a ¾ slot. Compact, sidesaddle, tall/fall delivery, some effort in delivery. Fastball sat 80-82 mph with arm-side life. Curveball sat 63-64 mph with 11/5 shape.

6/28/24

Displaying a lanky 6-foot-4, 170-pound frame, Plessa was impressive on the mound today for the Illinois Gators. The righty threw the full seven innings giving up no runs and only allowed two hits with nine strikeouts. Mechanically, Plessa is tall on the mound with a slight knee bend and a long stride toward the right-handed batter’s box. He fully extends his arm in his windup while keeping all his weight on his back leg. He throws with a 3/4 arm slot and keeps his mechanics the same for his fastball and slider making it difficult for the batter to pick up. Plessa’s fastball was thrown 78-80 mph, pounding it arm and glove side. His curveball was sharp with a lot of drop to it and had hitter’s off balance all day.

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