@liam_roberson27 87
Velocity (max)
9/19/25
CLASS OF 2027
LHP
1B
Liam
Roberson
Indian Land (HS) • SC
6' 1" • 170LBS
L/L • 16yr 10mo
Travel Team: Dirtbags All Black 17u
6' 1" • 170LBSL/L • 16yr 10mo
Travel Team: Dirtbags All Black 17u
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
81 - 87
Velo Range
9/19/25
1930
Spin Rate (avg)
6/04/25
Changeup
77 - 79
Velo Range
9/19/25
1287
Spin Rate (avg)
6/04/25
Curveball
63 - 68
Velo Range
7/16/25
1672
Spin Rate (avg)
6/04/25
Slider
66.3 - 68.3
Velo Range
6/04/25
1764
Spin Rate (avg)
6/04/25
Positional Tools
Hitting
Hitting
Pitching
2025
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.3
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).
1930
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.
24.0
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).
64.4
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).
1672
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).
72.2
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).
1287
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).
67.2
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).
1764
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).
Team Carolina Trials: Charleston (2026-2028 Grads)
Jun 4, 2025
Trackman - Fastball
81.6
Velocity (max)
79.3 - 81.3
Velo Range
79.6
Eff Velocity (avg)
1,966
Spin Rate (max)
1,930
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
64.8
Velocity (max)
64.1 - 64.8
Velo Range
63.4
Eff Velocity (avg)
1,751
Spin Rate (max)
1,672
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
68.8
Velocity (max)
66.3 - 68.3
Velo Range
65.4
Eff Velocity (avg)
1,803
Spin Rate (max)
1,764
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
72.9
Velocity (max)
71.3 - 72.9
Velo Range
71.9
Eff Velocity (avg)
1,309
Spin Rate (max)
1,287
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2025
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
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
87.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.1
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
65.4
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.1
Game Performance
2025
RSI
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Vizual Edge
Pitch Ai
Notes
News
- Team Carolina Trials Charleston 2025: Pitchers Scouting Reports - Jun 26, 2025
- Team Carolina Trials Charleston 2025: Superlatives - Pitchers - Jun 18, 2025
- Team Carolina Trials Charleston 2025: Vald Athletic Testing Metrics - Jun 17, 2025
- Team Carolina Trials Charleston 2025: Trackman Pitching Leaders - Jun 13, 2025
- Team Carolina Trials Charleston 2025: Data Dive - Jun 6, 2025
Comments
Draft Reports
Contact
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Physical
2025
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Positional Profile: LHP/1B
Body: 6-0, 170-pounds. Medium build with developing strength at 6-0, 170 lbs. Good physical projection with continued development expected.
Delivery: Controlled pace with high lift and cross fire down the mound adding deception.
Arm Action: LH. Meduim arm swing in the back while throwing from a 3/4 arm slot.
FB: T82, 79-81 mph. FB has run and sink to it down in the zone and can locate to both sides of the plate. T1966, 1930 average rpm.
CB: 64-65 mph. Shorter break with a 10/4 breaking action with depth. T1751, 1672 average rpm.
SL: 66-68 mph. Shorter break with more side to side movement while throwing it from a lower arm slot. T1803, 1764 average rpm.
CH: 71-73 mph. Good sinking and fading action to it down in the zone. T1309, 1287 average rpm.
ATH: 17.30 max vertical.