P John Heffernan #12
Virginia Mariners (WSH) AA
Age: 24 | Bats: R | Throws: R | Morale: Unhappy
12/31/2026
BNN Index | AA | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P JOHN HEFFERNAN #12 - AGE: 24 - BATS: R - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
24 22 4-7 0 5.97 107.0 126 11 63 83 1.77 0.8
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 3 3 3 5
Movement 3 3 3 4
HRA 3 3 3 5
PBABIP 3 3 3 5
Control 3 3 3 5
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 5 7
Changeup 3 6
Sinker 3 4
Screwball 3 3
 
OTHER PITCHING RATINGS
Velocity 95-97 Mph
Stamina 65
Suggested Role Starter
Type Neutral
Hold Runners 70
Defense 45
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 20
Baserunning Inst.: 20
Sacrifice Bunt: 40
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/27/2026 HFD Loss, 4-6 X 5.0 8 4 4 2 6
09/20/2026 @ BIR Loss, 4-5 X 2.2 5 5 5 4 0 Loss
09/13/2026 SM Loss, 2-11 X 4.0 5 2 2 0 2 Loss
09/12/2026 SM Loss, 4-7 X 4.0 7 6 6 2 3 Loss
09/05/2026 ROC Win, 10-2 X 5.2 4 2 2 4 6 Win
08/30/2026 @ GR Win, 9-4 X 6.1 5 4 4 4 5 Win
08/23/2026 OTT Win, 7-5 X 1.1 4 5 5 4 2
08/16/2026 @ ALL Loss, 1-10 X 2.0 5 7 7 3 2 Loss
08/01/2026 BUF Win, 5-3 X 6.1 6 2 2 5 5 Win
07/25/2026 DAY Win, 10-4 X 4.2 3 4 4 10 3
PERSONALITY
Rarely find him without a smile on his face.
Personality Class: Prankster
High: Leader
Low: Financial Ambition
Birthday:01/09/2002
Born in:Sweet Home, OR
Nationality:American
Height:6' 2"
Weight:195 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:None, None
Service This Yr:None
40-Man Service:None, None
Pro Service:5 Years
Arbitration Eligibility:Arbitration eligible in offseason
Option Years:2 option years left
Contract Extension: -
Drafted:2020, 7th Pick in Round 3
PBC RESERVE LEAGUE TWO 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 24 22 4 7 0 5.97 107.0 126 72 71 11 63 83 0 0.0 0 3 13.6
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 2 1 16.23 10.60 6.98 5.30 4.80 1.77 110 0.8 .350        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 161 50 11 0 5 32 32 24 0 5 1 .311 .428 .472 .900      
vs. RHB 257 76 11 2 6 40 31 59 5 6 3 .296 .372 .424 .796      
PBC RESERVE LEAGUE TWO 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 2 0 0 0 0 12.46 4.1 12 6 6 3 0 3  
May 5 5 1 1 0 4.03 22.1 27 10 10 2 15 22  
June 4 4 0 0 0 2.45 22.0 13 6 6 0 5 14  
July 4 4 0 2 0 5.14 21.0 25 13 12 2 15 13  
August 4 4 2 1 0 10.12 16.0 20 18 18 1 16 14  
September 5 5 1 3 0 8.02 21.1 29 19 19 3 12 17  
Last Year 6 6 3 1 0 6.28 28.2 32 20 20 5 15 20  
Career 30 28 7 8 0 6.04 135.2 158 92 91 16 78 103  
Home 12 12 2 3 0 5.50 54.0 58 33 33 5 38 45  
Road 12 10 2 4 0 6.45 53.0 68 39 38 6 25 38  
Grass 23 21 4 7 0 6.28 100.1 124 71 70 11 62 81  
Turf 1 1 0 0 0 1.35 6.2 2 1 1 0 1 2  
Day 20 19 3 6 0 6.39 88.2 110 64 63 9 57 68  
Night 4 3 1 1 0 3.93 18.1 16 8 8 2 6 15  
As Starter 22 22 4 7 0 5.70 102.2 114 66 65 8 63 80  
As Reliever / Substitution 2 0 0 0 0 12.46 4.1 12 6 6 3 0 3  
CAREER PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
CAREER MINOR LEAGUE PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2018 Total - 16 13 13 8 1 0 1.61 100.1 75 19 18 4 15 138 0 0 0.90 .307 1.51 5.3 100
2019 Total - 17 13 13 8 1 0 1.39 97.0 67 20 15 4 18 144 0 0 0.88 .300 1.32 5.4 100
2020 Total - 18 13 13 8 2 0 1.35 93.2 66 18 14 4 14 133 0 0 0.85 .297 1.36 5.1 100
2021 Washington (R) - R 19 6 6 2 3 0 2.37 30.1 33 8 8 2 12 28 0 0 1.48 .348 3.86 0.7 195
2022 Virginia - R+ 20 3 2 0 1 0 8.38 9.2 13 10 9 1 10 9 0 0 2.38 .375 6.12 0.0 61
2022 Charlottesville - A 20 5 5 4 0 0 3.86 25.2 21 12 11 2 12 16 0 0 1.29 .241 4.12 0.3 104
2022 Richmond - A+ 20 18 13 2 6 1 3.74 74.2 79 38 31 11 30 59 0 0 1.46 .306 4.64 0.3 108
2023 Charlottesville - A 21 5 5 2 0 0 3.04 26.2 32 11 9 2 10 22 0 0 1.57 .353 3.66 0.7 151
2023 Springfield - A+ 21 15 12 4 5 0 5.97 60.1 64 40 40 19 34 47 0 0 1.62 .266 7.21 -1.2 69
2024 Charlottesville - A 22 2 2 0 1 0 6.30 10.0 12 7 7 2 4 8 0 0 1.60 .333 5.22 0.0 67
2024 Springfield - A+ 22 12 6 1 4 1 4.84 35.1 36 20 19 6 24 35 0 0 1.70 .316 5.23 -0.0 87
2025 Charlottesville - A 23 1 0 0 0 0 15.00 3.0 5 5 5 1 4 2 0 0 3.00 .364 10.91 -0.2 30
2025 Springfield - A+ 23 15 14 3 7 0 5.23 75.2 96 45 44 13 38 63 0 0 1.77 .366 5.00 0.2 77
2025 Virginia - AA 23 6 6 3 1 0 6.28 28.2 32 20 20 5 15 20 0 0 1.64 .314 5.76 -0.0 71
2026 Virginia - AA 24 24 22 4 7 0 5.97 107.0 126 72 71 11 63 83 0 0 1.77 .350 4.80 0.8 73
Total AA 30 28 7 8 0 6.04 135.2 158 92 91 16 78 103 0 0 1.74 .342 5.00 72.3
Total A+ 60 45 10 22 2 4.90 246.0 275 143 134 49 126 204 0 0 1.63 .317 5.46 83.4
Total A 13 12 6 1 0 4.41 65.1 70 35 32 7 30 48 0 0 1.53 .307 4.41 97.2
Total R+ 3 2 0 1 0 8.38 9.2 13 10 9 1 10 9 0 0 2.38 .375 6.12 61.4
Total R 6 6 2 3 0 2.37 30.1 33 8 8 2 12 28 0 0 1.48 .348 3.86 195.4
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2021 Washington (R) - R P 6 6 2 4 0 6 0 1.000 30.1 1.78 +0.7 .998
2022 Richmond - A+ P 18 13 5 6 0 11 0 1.000 74.2 1.33 -0.0 1.121
2022 Charlottesville - A P 5 5 1 3 0 4 0 1.000 25.2 1.40 +0.2 1.986
2022 Virginia - R+ P 3 2 0 1 0 1 0 1.000 9.2 0.93 -0.2 1.014
2023 Springfield - A+ P 15 12 2 3 0 5 0 1.000 60.1 0.75 +0.5 .991
2023 Charlottesville - A P 5 5 1 2 0 4 1 .750 26.2 1.01 -0.1 .490
2024 Springfield - A+ P 12 6 0 3 0 3 0 1.000 35.1 0.76 +1.1 1.478
2024 Charlottesville - A P 2 2 0 0 0 0 0 .000 10.0 0.00 -0.1 .000
2025 Virginia - AA P 5 5 2 2 1 4 0 1.000 28.2 1.26 -0.2 .661
2025 Springfield - A+ P 15 14 3 5 0 9 1 .889 75.2 0.95 +0.6 .986
2025 Charlottesville - A P 1 0 0 0 0 0 0 .000 3.0 0.00 0.0 .000
2026 Virginia - AA P 24 22 13 15 0 28 0 1.000 107.0 2.36 -1.2 .923
TOTAL P 111 92 29 44 1 75 2 .973 487.0 1.35 +1.3 1.015
PLAYER HISTORY
01/01/2019 OSA scouting updated ratings (potential): Stuff: 4 (7); Movement: 3 (6); Control: 3 (8).
01/01/2020 OSA scouting updated ratings (potential): Stuff: 4 (7); Movement: 4 (7); Control: 3 (7).
10/30/2020 Drafted in the 2020 first-year player draft out of high school (Siletz Valley; Siletz, OR) by the Washington Warriors. (Round 3, Pick 7, 43rd overall pick).
01/01/2021 OSA scouting updated ratings (potential): Stuff: 4 (7); Movement: 4 (7); Control: 3 (7).
07/07/2021 Injured (ruptured tendon (finger)),out for 3-4 months.
01/01/2022 OSA scouting updated ratings (potential): Stuff: 4 (6); Movement: 4 (5); Control: 3 (6).
06/12/2022 Named the #89 prospect in the PBC
08/06/2022 Named the #97 prospect in the PBC
01/01/2023 OSA scouting updated ratings (potential): Stuff: 4 (7); Movement: 4 (5); Control: 3 (6).
01/01/2024 OSA scouting updated ratings (potential): Stuff: 4 (6); Movement: 4 (5); Control: 3 (5).
05/23/2024 Injured (gout),out for 1 day.
08/21/2024 Injured (mild shoulder inflammation),day-to-day for 2 weeks.
09/01/2024 Suffered setback in recovery from injury, will miss another one week.
09/20/2024 Injured (oblique strain),out for 7 weeks.
01/01/2025 OSA scouting updated ratings (potential): Stuff: 4 (5); Movement: 3 (5); Control: 3 (5).
05/05/2025 Injured (hamstring soreness),day-to-day for 2 days.
07/05/2025 Injured (dizziness and nausea),day-to-day for 2 days.
01/01/2026 OSA scouting updated ratings (potential): Stuff: 3 (5); Movement: 3 (4); Control: 3 (5).
Friday, May 29th , 2026 - OOTP Baseball 27.2 Build 60