81.3
Velocity (max)
2/24/24
CLASS OF 2025
LHP
Keltin
Opper
Pacelli Catholic (HS) • WI
6' 1" • 141.5LBSL/L • 18yr 11mo
Travel Team: Plover Legion Post 543
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
77 - 81
Velo Range
2/24/24
2024
Spin Rate (avg)
2/24/24
Changeup
74 - 77
Velo Range
2/24/24
1490
Spin Rate (avg)
2/24/24
Curveball
69 - 71
Velo Range
2/24/24
1994
Spin Rate (avg)
2/24/24
Slider
65.3 - 69.3
Velo Range
7/30/24
1893
Spin Rate (avg)
7/30/24
Positional Tools
Hitting
Hitting
Pitching
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.1
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1901
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
24.7
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
68.6
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1938
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.6
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1380
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
67.3
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1893
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Wisconsin State Games (Invite-Only)
Jul 30, 2024
Trackman - Fastball
78.4
Velocity (max)
75.6 - 77.7
Velo Range
75.9
Eff Velocity (avg)
2,075
Spin Rate (max)
1,871
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
68.0
Velocity (max)
65.2 - 67.8
Velo Range
64.9
Eff Velocity (avg)
1,917
Spin Rate (max)
1,844
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
69.5
Velocity (max)
65.3 - 69.3
Velo Range
65.9
Eff Velocity (avg)
1,957
Spin Rate (max)
1,893
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
74.4
Velocity (max)
72.9 - 74.4
Velo Range
72.8
Eff Velocity (avg)
1,321
Spin Rate (max)
1,243
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Green Bay Preseason ID
Feb 24, 2024
Trackman - Fastball
81.3
Velocity (max)
77.5 - 80.6
Velo Range
77.4
Eff Velocity (avg)
2,089
Spin Rate (max)
2,024
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
70.6
Velocity (max)
69.2 - 70.5
Velo Range
67.4
Eff Velocity (avg)
2,135
Spin Rate (max)
1,994
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
76.5
Velocity (max)
74.0 - 76.5
Velo Range
73.7
Eff Velocity (avg)
1,747
Spin Rate (max)
1,490
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2024
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.5
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
Game Performance
Vizual Edge
Pitch Ai
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Keltin Opper, PACELLI CATHOLIC HIGH SCHOOL (WI), 2025
Positional Profile: LHP
Body: 6-1, 141.5-pounds.
Delivery: Medium leg kick, lands slightly closed.
Arm Action: LH. Full arm action, high-3/4 slot, loose and fluid through the ball.
FB: T78, 76-78 mph. Tail when thrown to arm-side, straight when angled in to cross corner and to top of zone. T2075, 1871 average rpm.
CB: 65-68 mph. Hard, late break, 11/5 action, can land and get below. T1917, 1844 average rpm.
SL: 65-69 mph. Similar breaker as curveball with less depth to the pitch, can land in zone. T1957, 1893 average rpm.
CH: 73-74 mph. Run, slight sink, commanded well down to arm-side. T1321, 1243 average rpm.
Positional Profile: LHP
Body: 6-1, 145-pounds. Long, lean, wiry with a lot of room to add.
Delivery: Methodical tempo, high leg kick, in-line land to home.
Arm Action: LH. Quick arm, 3/4 slot.
FB: T81, 77-81 mph. Riding action. T2089, 2024 average rpm.
CB: 69-71 mph. Gradual break 10/4 shape. T2135, 1994 average rpm.
CH: 74-77 mph. Flashed fade, minimal run. T1747, 1490 average rpm.