LATEST PG SHOWCASE REPORT
2025 PG High School All State Select Championship (28-29 Grads)
Mack Chiavarone is a 2029 C/1B with a 5-8 145 lb. frame from Lawrenceville, NJ who attends Princeton Day. Smaller young build with lots of growing ahead of him, some strength in his lower half. 7.47 runner in the sixty. Primary catcher on defense, sets up slightly side saddle, gains some ground into his throws, medium length arm action with the beginnings of some arm strength, stayed direct with his footwork and made accurate throws. Left handed hitter, sets up in a straight stance with a high hand load and a deep hanging front leg timer, has a short inside swing path with gap to gap line drive contact, best contact was to the pull side when he was timed up. Excellent student.
LATEST FROM PROSPECT GATEWAY
2025 PG Sunshine Northeast Prospect Gateway (13U/14U National Showcase Qualifier)
Hitting
Room to Fill
Lean Frame
Compact Build
Open Stance
Spread Stance
High or Low Back Elbow
Medium Leg Lift
High hands at load
Strength at contact
Level barrel path
Compact to contact
Swings with intent
Uses all fields
Line Drive Approach
Swings with intent
Repeats swing well
Works to all Fields
On the barrel consistently
Consistent Line Drives
Catching
Balanced stride
Momentum stays on target to bag
Slightly open stance
Clean exchanges
Receives it out front
Maintains transfer line
3/4 Arm slot
Ball out of hand clean
PG CAREER PROGRESSION
-0.13 SEC
10 Yard Split since 12/29/2023
-0.59 SEC
60 Time since 12/29/2023
+5 MPH
C Velo since 12/29/2023
-0.10 SEC
Pop Time since 12/29/2023
+8 MPH
Exit Velo since 12/29/2023
+.99 MPH
Max Barrel Speed
since 02/03/2024
+.33
Impact Momentum
since 02/03/2024
+2.96 Gs
Max Acceleration since 02/03/2024
+4 %
Swing Efficiency since 12/29/2023
Best
PG Grade:
7
2024 Mid-Atlantic Indoor Prospect Gateway (Sat.)
Left Handed Hitting
Swing Efficiency™
Swing Efficiency™ is a score from 0-100 based on how fast you move your body compared to other players of a similar height and weight. Our library of over 10,000 hitters shows that for a given body type, higher swing efficiencies generate higher exit velos. PG All-American Arjun Nimmala may only weigh 170 lbs, but he can still hit 103MPH off a tee thanks to his elite Swing Efficiency™.
30%
The order in which each body segment reaches its peak speed
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#1 Pelvis
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#2 Torso
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#3 Arm
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#4 Hand
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2023 13U Main Event Showcase
Left Handed Hitting
Swing Efficiency™
Swing Efficiency™ is a score from 0-100 based on how fast you move your body compared to other players of a similar height and weight. Our library of over 10,000 hitters shows that for a given body type, higher swing efficiencies generate higher exit velos. PG All-American Arjun Nimmala may only weigh 170 lbs, but he can still hit 103MPH off a tee thanks to his elite Swing Efficiency™.
26%
The order in which each body segment reaches its peak speed
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#1 Pelvis
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#2 Arm
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#3 Torso
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#4 Hand
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