2,210 MLB PLAYERS | 15,134 MLB DRAFT SELECTIONS
Create Account
Sign in Create Account
James J (JJ) Chrobocinski
2025 GRAD
 |  RHP/OF
 |  Phoenix, AZ
COMMITMENT
Best PG Grade
8.5
ABOUT PG GRADES
Mountain Ridge
HIGH SCHOOL
6-4
  198

HEIGHT/WEIGHT
R/R
BATS/THROWS
18 and 4 mos
AGE
WANT VIDEO?
PG EVENT RESULTS
88 mph
FB VELO 11/9/2024
7.14 sec
60 YARD DASH 5/11/2024
1.62 sec
10 YARD SPLIT 5/11/2024
77 mph
OF VELO 5/13/2023
78 mph
1B VELO 5/13/2023
76 mph
EXIT VELO 5/13/2023
Pitching Stats
  Advanced Statistics
SUBSCRIBE TO
2024 Calendar Year
W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP
SUBSCRIBE TO
Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
SUBSCRIBE TO
Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
SUBSCRIBE TO
W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP
SUBSCRIBE TO
Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
SUBSCRIBE TO
Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
SUBSCRIBE TO
W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP
SUBSCRIBE TO
Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
SUBSCRIBE TO
Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
SUBSCRIBE TO
Batting Stats
  Advanced Statistics
SUBSCRIBE TO
Batting Spray Chart Spray Chart
2023 Calendar Year
OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS
SUBSCRIBE TO
Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S%
SUBSCRIBE TO
Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
SUBSCRIBE TO
OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS
SUBSCRIBE TO
Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S%
SUBSCRIBE TO
Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
SUBSCRIBE TO
LATEST PG SHOWCASE REPORT
2024 Sunshine Southwest Showcase  
James J (JJ) Chrobocinski is a 2025 RHP/OF with a 6-4 192 lb. frame from Phoenix, AZ who attends Mountain Ridge. Sturdy, strong build with filled out muscle. Ran a 7.14 in the sixty yard dash. Primary right-handed pitcher, works a high leg kick into a full and extended three-quarter slot. Shorter arm action through the back. Gets down the slope very well and out front. Quick arm packed with intent and fills the middle of the zone. Fastball worked mid/high-80s with solid life. Mixed in a sharp mid-70s slider that had late bite. Potent mix from a full slot and the size brings in a lot of untapped upside. Excellent student.
PG CAREER PROGRESSION
+12 MPH
FB Velo since 05/27/2022
-0.06 SEC
10 Yard Split since 10/29/2022
-0.30 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 88 mph 76 mph
95.26%
60 7.14 sec 7.48 sec
73.14%
10 SPL 1.62 sec 1.74 sec
83.63%
OF 77 mph 79 mph
37.09%
1B 78 mph 74 mph
66.75%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 76 mph 79 mph
30.85%
Perfect Game Performance
A player’s Hitter Potential Score leverages data from a slow-motion video and a bat sensor to evaluate five major indicators of a hitter’s overall potential and create a personalized program to help them improve.
Access Your Personalized Development Plan
PLAYER
James J (Jj) Chrobocinski
EVENT
2024 Sunshine Southwest Showcase
HITTING
Baseball Right Handed Hitter
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 62.05 mph
34.44%
Impact Momentum 22.364 23.02
40.60%
Max Acceleration 25.812 g's 30.91 g's
23.99%
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 Sep 15, 2024 vs. 18u Offseason Baseball - Lozano
Hits allowed: 0 Sep 13, 2024 vs. The Lot/Eveland Athletics
Strikeouts: 8 Jan 07, 2023 vs. 9-Royal
Walks allowed: 0 May 11, 2024 vs. 3-Royal