P Masafumi Tamura #55
Age: 23 | Bats: L | Throws: L | Morale: Great    
12/31/2025
P MASAFUMI TAMURA #55 - AGE: 23 - BATS: L - THROWS: L - MORALE: GREAT
G GS Rec SV ERA IP HA HR BB K WHIP WAR
22 22 9-8 0 4.01 143.2 143 19 38 122 1.26 2.1
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 61
Movement 69
Control 74
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 55
Curveball - 82
Changeup - 64
Cutter - 51
Knuckle Curve - 76
OTHER PITCHING RATINGS
Velocity 90-92 Mph
Stamina 100
Suggested Role Starter
Groundball Percentage 63 %
Hold Runners 67
Defense 67
RUN/BUNT RATINGS
Running Speed: 5
Stealing Ability: 8
Baserunning Inst.: 12
Sacrifice Bunt: 34
Bunt for Hit: 4
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/07/2026 @ SOU Loss, 0-0 X 6.0 8 3 3 3 5 Win
09/02/2026 SOU Loss, 0-0 X 6.2 6 7 4 3 8 Loss
08/29/2026 @ MAN Loss, 0-0 X 6.2 9 7 7 4 3 Loss
08/24/2026 @ MIL Loss, 0-0 X 7.0 9 6 6 1 6 Win
08/19/2026 @ SD Loss, 0-0 X 9.0 7 4 4 1 5 Win
08/14/2026 @ EUR Loss, 0-0 X 8.0 5 3 3 1 6 Loss
08/08/2026 @ MAP Loss, 0-0 X 5.0 6 5 4 4 3 Loss
08/03/2026 @ KAN Loss, 0-0 X 8.0 3 0 0 2 6 Win
07/29/2026 @ MTL Loss, 0-0 X 6.2 9 5 3 1 10
07/25/2026 @ SF Loss, 0-0 X 7.0 6 2 2 3 10
PERSONALITY
Leader Ability:Low
Loyalty:Normal
Desire f. Win:Normal
Greed:High
Intelligence:High
Work Ethic:Very High
Birthday:08/19/2002
Born in:Nisshin, AIC
Nationality:Japanese
Height:5' 11"
Weight:160 lbs
Local Popularity:Fair
National Pop.:Fair
STATUS
Contract:Major League Contract
Salary:$500,000
Signed Through:2026 Season
Major Service:1 Year, 99 Days
Service This Yr:183 Days
40-Man Service:1 Year, 99 Days
Pro Service:3 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
ADULT BASEBALL LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 22 22 9 8 0 4.01 143.2 143 81 64 19 38 122 2 9.1 0 12 54.5
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 11.40 8.96 7.64 2.38 4.49 1.26 97 2.1 .289        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 177 41 9 0 6 17 10 44 0 0 0 .232 .273 .384 .657      
vs. RHB 386 102 19 0 13 64 28 78 7 2 1 .264 .310 .415 .725      
ADULT BASEBALL LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
May 2 2 1 0 0 3.14 14.1 14 5 5 2 2 10  
June 6 6 3 3 0 3.11 37.2 43 24 13 4 7 27  
July 6 6 1 1 0 3.82 35.1 33 17 15 3 10 43  
August 6 6 3 3 0 4.95 43.2 39 25 24 7 13 29  
September 2 2 1 1 0 4.97 12.2 14 10 7 3 6 13  
Last Year 19 19 8 6 0 3.69 124.1 122 53 51 8 31 90  
Career 41 41 17 14 0 3.86 268.0 265 134 115 27 69 212  
Home 1 1 0 1 0 5.40 6.2 6 7 4 2 3 8  
Grass 22 22 9 8 0 4.01 143.2 143 81 64 19 38 122  
Night 22 22 9 8 0 4.01 143.2 143 81 64 19 38 122  
As Starter 22 22 9 8 0 4.01 143.2 143 81 64 19 38 122  
TRIPLE A 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9 1 100.0 0 1 100.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 5.00 5.00 9.00 0.00 3.21 0.56 66 0.3 .190        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 12 5 1 0 1 2 0 2 0 0 0 .417 .417 .750 1.167      
vs. RHB 19 0 0 0 0 0 0 7 0 0 0 .000 .000 .000 .000      
TRIPLE A 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
July 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9  
Last Year 3 3 2 0 0 2.18 20.2 14 5 5 1 5 25  
2 Years Ago 15 14 6 4 0 5.29 78.1 83 49 46 7 39 89  
Career 19 18 9 4 0 4.42 108.0 102 56 53 9 44 123  
Grass 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9  
Night 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9  
As Starter 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9  
DOUBLE A 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 2 2 2 0 0 2.51 14.1 8 5 4 0 4 16 0 0.0 0 1 50.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 7.53 5.02 10.05 2.51 2.26 0.84 48 0.7 .229        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 9 0 0 0 0 0 0 2 0 0 0 .000 .000 .000 .000      
vs. RHB 42 8 1 0 0 5 4 14 0 0 0 .190 .261 .214 .475      
DOUBLE A 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 2 2 2 0 0 2.51 14.1 8 5 4 0 4 16  
Last Year 11 11 5 2 0 1.96 69.0 44 15 15 2 38 65  
2 Years Ago 2 2 1 0 0 2.02 13.1 11 3 3 0 6 12  
Career 15 15 8 2 0 2.05 96.2 63 23 22 2 48 93  
Grass 2 2 2 0 0 2.51 14.1 8 5 4 0 4 16  
Day 1 1 1 0 0 0.00 7.1 3 1 0 0 1 8  
Night 1 1 1 0 0 5.14 7.0 5 4 4 0 3 8  
As Starter 2 2 2 0 0 2.51 14.1 8 5 4 0 4 16  
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+
2024 Jacksonville - ABL 21 19 19 8 6 0 3.69 124.1 122 53 51 8 31 90 1 0 1.23 .301 3.80 2.9 131
2025 Jacksonville - ABL 22 22 22 9 8 0 4.01 143.2 143 81 64 19 38 122 2 0 1.26 .289 4.49 2.1 121
Total ABL 41 41 17 14 0 3.86 268.0 265 134 115 27 69 212 3 0 1.25 .295 4.17 5.0 126
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+
2022 Barrow - A 19 4 4 2 1 0 3.47 23.1 16 9 9 1 9 31 0 0 1.07 .288 3.09 0.8 135
2023 Barrow - A 20 15 15 12 2 0 2.93 89.0 76 35 29 7 44 113 0 0 1.35 .324 4.02 1.9 158
2023 Phoenix - AA 20 2 2 1 0 0 2.02 13.1 11 3 3 0 6 12 0 0 1.27 .324 3.20 0.5 249
2023 Chicago - AAA 20 15 14 6 4 0 5.29 78.1 83 49 46 7 39 89 0 0 1.56 .357 4.11 1.9 98
2024 Phoenix - AA 21 11 11 5 2 0 1.96 69.0 44 15 15 2 38 65 0 0 1.19 .253 3.76 1.8 247
2024 Chicago - AAA 21 3 3 2 0 0 2.18 20.2 14 5 5 1 5 25 0 0 0.92 .277 2.71 0.8 229
2025 Phoenix - AA 22 2 2 2 0 0 2.51 14.1 8 5 4 0 4 16 0 0 0.84 .229 2.26 0.7 186
2025 Chicago - AAA 22 1 1 1 0 0 2.00 9.0 5 2 2 1 0 9 1 0 0.56 .190 3.21 0.3 249
Total AAA 19 18 9 4 0 4.42 108.0 102 56 53 9 44 123 1 0 1.35 .331 3.77 135.3
Total AA 15 15 8 2 0 2.05 96.2 63 23 22 2 48 93 0 0 1.15 .260 3.46 238.1
Total A 19 19 14 3 0 3.04 112.1 92 44 38 8 53 144 0 0 1.29 .317 3.82 153.2
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2022 Barrow - A P 4 4 2 2 0 4 0 1.000 23.1 1.54 +0.2 1.066
2023 Chicago - AAA P 15 14 5 13 2 18 0 1.000 78.1 2.07 +0.6 1.059
2023 Phoenix - AA P 2 2 0 2 0 2 0 1.000 13.1 1.35 +0.1 1.058
2023 Barrow - A P 15 15 5 8 1 13 0 1.000 89.0 1.31 +0.7 1.074
2024 Jacksonville - ML P 19 19 10 17 1 28 1 .964 124.1 1.95 +0.7 1.057
2024 Chicago - AAA P 3 3 0 4 1 4 0 1.000 20.2 1.74 +0.1 1.039
2024 Phoenix - AA P 11 11 4 9 1 13 0 1.000 69.0 1.70 +0.6 1.050
2025 Jacksonville - ML P 22 22 9 19 1 30 2 .933 143.2 1.75 -0.7 .901
2025 Chicago - AAA P 1 1 1 0 0 1 0 1.000 9.0 1.00 +0.0 .000
2025 Phoenix - AA P 2 2 0 4 0 4 0 1.000 14.1 2.51 +0.1 1.052
TOTAL P 94 93 36 78 7 117 3 .974 585.0 1.75 +2.6 1.014
PLAYER HISTORY
06/25/2019 Entered the ADULT BASEBALL LEAGUE as an international amateur free agent from Japan.
07/17/2019 Signed a minor league contract ($100,000 bonus) out of Japan with the Jacksonville Jacks organization.
01/01/2020 OSA scouting updated ratings (potential): Stuff: - (7); Movement: - (13); Control: - (11).
01/01/2021 OSA scouting updated ratings (potential): Stuff: - (8); Movement: - (14); Control: - (11).
01/01/2022 OSA scouting updated ratings (potential): Stuff: - (6); Movement: - (11); Control: - (9).
01/01/2023 OSA scouting updated ratings (potential): Stuff: - (48); Movement: - (58); Control: - (54).
04/03/2023 Named the #79 prospect in the ABL
05/01/2023 Wins the A BOL Pitcher of the Month Award.
10/02/2023 Injured (mild shoulder strain), out for one week.
01/01/2024 OSA scouting updated ratings (potential): Stuff: - (51); Movement: - (67); Control: - (75).
04/01/2024 Named the #16 prospect in the ABL
06/25/2024 Injured (mild hamstring strain), day-to-day for 1 day.
07/17/2024 Injured (back spasms), day-to-day for 1 day.
09/29/2024 Injured (mild shoulder strain), out for 6 days.
11/28/2024 Received a 1-year contract worth a total of $500,000 through automatic renewal.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (56); Movement: - (66); Control: - (72).
02/13/2025 Injured (strained hamstring), out for 3 months.
12/04/2025 Received a 1-year contract worth a total of $500,000 through automatic renewal.
12/05/2025 Was traded by the Jacksonville Jacks to the So Cal Republic, along with LF Dave Moore, CF Héctor Castillo, in exchange for SP Anthony Atkinson, RF Orlando González.
LEADERBOARD APPEARANCES
Year CG Rank
2025 2 8
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