Prep Baseball Report
Keller Costello
Keller Costello

CLASS OF 2025

RHP
1B

Keller
Costello

Rockhurst
Marquette (HS) • MO
6' 3" • 210LBS
L/R • 19yr 10mo
Travel Team: STL Mavericks
2025 National

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2025 State

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Best Of Stats

Pitching

Fastball

86.4
Velocity (max)
2/03/24
84.3 - 86.1
Velo Range
2/03/24
2364
Spin Rate (avg)
2/03/24

Changeup

78.2 - 79.2
Velo Range
2/03/24
1928
Spin Rate (avg)
2/03/24

Curveball

74 - 76
Velo Range
2/03/24
2506
Spin Rate (avg)
2/03/24
Power
95.7
Exit Velocity (max)
2/15/23
92.9
Exit Velocity (avg)
2/15/23
334
Distance (max)
2/15/23
67
Sweet Spot %
2/15/23
Hitting
20.6
Hand Speed (max)
2/03/24
69
Bat Speed (max)
2/03/24
15.2
Rot. Acc (max)
2/03/24
78
Hard Hit %
2/15/23
Run
8.17
60-yd
2/03/24
-
30-yd
1.83
10-yd
2/03/24
16.1
Run speed (max)
2/03/24
Defense
81
INF Velo
2/15/23
-
OF Velo
-
C Velo
-
Pop Time

Game Performance

Notes

Comments

2/03/24
Keller Costello, Marquette (MO), 2025
Positional Profile: 1B/RHP Interesting arm in the MO 2025 class.
Body: 6-3, 210-pounds. Physical frame with strength throughout.
Delivery: Stretch delivery. Easy mover, working downhill and extension out front. Lands square to home.
Arm Action: RH. Long high-3/4 arm action. Clean, low effort release.
FB: T86, 84-86 mph. Arm-side run for strikes. High spin. T2428, 2364 average rpm.
CB: 74-76 mph. 11/5 shape with depth. Solid spin. T2554, 2506 average rpm.
CH: 78-79 mph. Solid fade action thrown with fastball arm speed. T2027, 1928 average rpm.
ATH: 8.17 runner in the 60. 1.83 in the 10 yard split. 20.90 max vertical.
2/03/24
Keller Costello, Marquette (MO), 2025
Positional Profile: 1B/RHP Interesting arm in the MO 2025 class.
Body: 6-3, 210-pounds. Physical frame with strength throughout.
Hit: LHH. Balanced, upright stance. Controlled leg lift load and short stride. Fluid swing plane. Repeats well with feel for the barrel. Hard line-drives to all fields. Shows some hand speed with power to his pull side. 66.2 mph bat speed with 13 G's of rotational acceleration.
Power: 93 max exit velocity, averaged 89.0 mph. 320' max distance.
Arm: RH. INF-79 mph. Short 3/4 arm action.
Defense: Feel around the bag. Clean glove out front, shows ability to pick balls in the dirt.
ATH: 8.17 runner in the 60. 1.83 in the 10 yard split. 20.90 max vertical.

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