2,031 MLB PLAYERS | 14,466 MLB DRAFT SELECTIONS
Create Account
Sign in Create Account
James J (JJ) Chrobocinski
2025 GRAD
 |  RHP/1B, OF
 |  Phoenix, AZ
UNCOMMITTED
Best PG Grade
8.5
ABOUT PG GRADES
Mountain Ridge
HIGH SCHOOL
6-5
  188

HEIGHT/WEIGHT
R/R
BATS/THROWS
16 and 11 mos
AGE
WANT VIDEO?
PG EVENT RESULTS
83 mph
FB VELO 7/1/2023
7.28 sec
60 YARD DASH 5/13/2023
1.65 sec
10 YARD SPLIT 5/13/2023
77 mph
OF VELO 5/13/2023
78 mph
1B VELO 5/13/2023
76 mph
EXIT VELO 5/13/2023
LATEST PG SHOWCASE REPORT
2023 Sunshine Southwest Showcase  
James J (JJ) Chrobocinski is a 2025 RHP/1B, OF with a 6-5 188 lb. frame from Phoenix, AZ who attends Mountain Ridge. Features a big, tall, athletic pitchers body. He has a four-pitch mix that include a fastball, curveball, slider and change up. He works linear down the mound with excellent glove side run on his fastball. Curveball has twelve-six movement. He's projectable in all facets. In the outfield he showcased proper footwork and glove technique. He has a strong arm with carry and the ability to one hop. At first he once again showed solid glove work and an accurate arm. At the plate he has a tall, narrow stance with a slight leg lift. He takes a direct path to the ball with a pull side approach. He is an excellent student.
PG CAREER PROGRESSION
+7 MPH
FB Velo since 05/27/2022
-0.03 SEC
10 Yard Split since 10/29/2022
-0.16 SEC
60 Time since 10/29/2022
+4 MPH
1B Velo since 01/07/2023
+5 MPH
Exit Velo since 10/29/2022
+1.48 MPH
Max Barrel Speed since 10/29/2022
+.58
Impact Momentum since 10/29/2022
+1.43 Gs
Max Acceleration since 10/29/2022
Best PG Grade: 8.5
PERCENTILE RANKINGS
CLASS OF 2025 in the recorded year
CATEGORY TOP RESULT CLASS AVG PERCENTILE
FB 83 mph 75 mph
87.88%
60 7.28 sec 7.57 sec
69.19%
10 SPL 1.65 sec 1.79 sec
80.29%
OF 77 mph 77 mph
44.25%
1B 78 mph 73 mph
72.31%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 76 mph 78 mph
36.93%
2023 Sunshine Southwest Showcase
Right Handed Hitting

Swing Efficiency™

32%

Exit Velo

76mph

Swing Sequence

The order in which each body segment reaches its peak speed

#1 Pelvis
#2 Arm
#3 Torso
#4 Hand
2023 National Underclass West Showcase
Right Handed Hitting

Swing Efficiency™

30%

Exit Velo

78mph

Swing Sequence

The order in which each body segment reaches its peak speed

#1 Pelvis
#2 Arm
#3 Torso
#4 Hand
2022 Southwest Prospect Showcase
Right Handed Hitting

Swing Efficiency™

32%

Exit Velo

71mph

Swing Sequence

The order in which each body segment reaches its peak speed

#1 Pelvis
#2 Torso
#3 Arm
#4 Hand
CATEGORY TOP RESULT CLASS AVG PERCENTILE
Max Barrel Speed 59.181 mph 60.83 mph
39.71%
Impact Momentum 22.364 22.54
46.76%
Max Acceleration 25.812 g's 29.59 g's
27.75%
BEST SINGLE GAME STATS
BATTING STATSLAST OCCURRENCE
At bats: 3 Jan 08, 2023 vs. 7-Maroon
Runs: 1 Jun 10, 2023 vs. Game On Vipers 17u
Hits: 2 May 14, 2023 vs. 3-Green
RBI's: 1 Jul 03, 2023 vs. SmarTense Upperclass Baseball
Doubles: 1 May 14, 2023 vs. 3-Green
Total bases: 3 May 14, 2023 vs. 3-Green
Walks: 2 Jun 10, 2023 vs. Game On Vipers 17u
Stolen bases: 1 Jan 08, 2023 vs. 7-Maroon
PITCHING STATSLAST OCCURRENCE
Inn. pitched: 4.2 Jul 02, 2023 vs. Atlanta Blue Jays 17u
Runs allowed: 0 May 14, 2023 vs. 1-Columbia Blue
Earned runs: 0 Jun 11, 2023 vs. Macon Pain
Hits allowed: 0 May 14, 2023 vs. 1-Columbia Blue
Strikeouts: 8 Jan 07, 2023 vs. 9-Royal
Walks allowed: 0 May 14, 2023 vs. 1-Columbia Blue