SS Yoneo 'Big Thunder' Yamamoto #5
Age: 23 | Bats: R | Throws: R | Morale: Good
09/17/2025
OA: 35 POT: 40
SS YONEO 'BIG THUNDER' YAMAMOTO #5 - AGE: 23 - BATS: R - THROWS: R - MORALE: GOOD
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
125 448 132 24 0 21 80 23 118 .295 .350 .489 0 2.5
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 45 45 45 45
Gap 45 45 40 45
Power 45 45 45 45
Eye 35 35 35 35
Avoid K's 40 40 40 50
FIELDING RATINGS
Catcher Infield Outfield
Range: - 70 55
Errors: - 65 60
Arm: 20 50 45
Turn DP: - 75 -
Framing: 20 - -
POSITION RATINGS
Pitcher: - Shortstop: 65
Catcher: - Left Field: -
1st Base: - Center Field: -
2nd Base: 80 Right Field: -
3rd Base: -
       
RUN/BUNT
Running Speed: 35
Stealing Aggressiveness: 75
Stealing Ability: 20
Baserunning Inst.: 20
Sacrifice Bunt: 45
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
09/05/2025 WD Loss, 5-6 4 1 1 0 0 0 2 0
09/04/2025 WD Win, 17-0 4 1 2 4 1 0 0 0
09/03/2025 @ NSWE Loss, 0-5 4 0 1 0 0 0 3 0
09/02/2025 @ NSWE Win, 4-3 0 0 0 0 0 0 0 0
09/01/2025 @ NSWE Win, 8-5 0 0 0 1 0 0 0 0
08/31/2025 DOL Loss, 5-7 1 0 1 0 0 0 0 0
08/28/2025 @ MX Win, 4-2 3 0 1 0 0 1 0 0
08/27/2025 @ MX Loss, 4-5 1 0 0 0 0 0 0 0
08/26/2025 @ MX Loss, 2-3 1 0 0 0 0 0 0 0
08/24/2025 LB Win, 8-0 4 1 2 1 0 0 1 0
PERSONALITY
Yamamoto keeps his nose to the grindstone.
Birthday:03/20/2002
Born in:Nonoichi, ISH
Nationality:Japanese
Height:6' 1"
Weight:165 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:6 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
ABA CLASS A 2025 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 125 448 132 24 0 21 80 61 23 118 .295 .350 .489 .839 .366 .194 109
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 111 489 16 1 0 12 0 2 219 45 0 0 0.0 74.8 6.12 2.5  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   165 50 9 0 6 23 15 8 47 0 0 4 .303 .350 .467 .817
Versus Right   283 82 15 0 15 57 46 15 71 2 0 12 .290 .349 .502 .851
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
April   79 25 5 0 4 15 14 2 18 0 0 2 .316 .349 .532 .881
May   90 18 2 0 4 13 10 6 24 0 0 5 .200 .287 .356 .643
June   86 26 8 0 4 18 12 4 23 0 0 3 .302 .355 .535 .890
July   93 28 5 0 4 12 12 5 28 0 0 2 .301 .350 .484 .834
August   88 31 4 0 4 17 11 6 20 0 0 4 .352 .418 .534 .952
September   12 4 0 0 1 5 2 0 5 2 0 0 .333 .286 .583 .869
Last Year   237 75 15 1 6 48 29 20 52 2 0 7 .316 .383 .464 .848
2 Years Ago   3 1 0 0 0 0 0 0 1 0 0 0 .333 .333 .333 .667
Career   741 214 39 1 28 131 93 48 192 4 0 25 .289 .351 .457 .808
Home   212 60 10 0 8 32 30 8 62 1 0 9 .283 .335 .443 .778
Road   236 72 14 0 13 48 31 15 56 1 0 7 .305 .363 .530 .893
Grass   424 125 23 0 19 78 56 20 114 2 0 15 .295 .347 .483 .831
Turf   24 7 1 0 2 2 5 3 4 0 0 1 .292 .393 .583 .976
Day   134 39 5 0 8 17 18 8 40 0 0 5 .291 .354 .507 .861
Night   314 93 19 0 13 63 43 15 78 2 0 11 .296 .348 .481 .829
As Starter   440 129 24 0 20 76 60 23 118 1 0 16 .293 .350 .484 .834
As Reliever / Substitution   8 3 0 0 1 4 1 0 0 1 0 0 .375 .333 .750 1.083
CAREER BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
CAREER MINOR LEAGUE BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2020 (OAK) Apodaca - DL 18 35 105 14 2 0 3 9 5 4 1 0 37 0 0 .133 .173 .238 .411 6 -11 -1.1
2020 Terra Linda - R 18 108 364 59 4 0 15 30 40 24 14 1 150 0 2 .162 .241 .297 .537 33 23 -2.5
2021 Terra Linda - R 19 79 205 33 1 0 8 19 16 15 9 1 75 1 0 .161 .248 .283 .531 27 14 -1.7
2022 Terra Linda - R 20 19 34 7 1 0 2 3 6 7 3 0 8 0 0 .206 .386 .412 .798 94 104 0.1
2022 Columbus - A 20 24 53 6 0 0 1 3 3 5 2 0 21 0 0 .113 .217 .170 .386 3 -4 -0.5
2022 San Bernardino - R 20 37 113 31 7 0 9 19 19 8 1 1 32 0 0 .274 .325 .575 .900 98 95 0.3
2023 San Bernardino - R 21 131 412 96 10 0 29 61 60 38 21 2 98 0 0 .233 .328 .468 .796 78 77 -0.4
2023 Columbus - A 21 1 3 1 0 0 0 0 0 0 0 0 1 0 0 .333 .333 .333 .667 73 69 -0.0
2024 Columbus - A 22 66 237 75 15 1 6 48 29 20 7 2 52 0 0 .316 .383 .464 .848 103 100 0.4
2024 Boise - AA 22 64 208 57 7 1 2 21 20 18 5 3 51 1 2 .274 .342 .346 .688 64 66 -0.7
2025 Columbus - A 23 125 448 132 24 0 21 80 61 23 16 2 118 0 0 .295 .350 .489 .839 109 109 2.5
Total AA 64 208 57 7 1 2 21 20 18 5 3 51 1 2 .274 .342 .346 .688 64 66
Total A 216 741 214 39 1 28 131 93 48 25 4 192 0 0 .289 .351 .457 .808 99 98
Total AR 374 1128 226 23 0 63 132 141 92 48 5 363 1 2 .200 .288 .388 .676 57 51
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Columbus - A 2B 33 18 44 67 16 115 4 .965 181.2 5.50 +2.8 1.086
2025 Columbus - A SS 96 93 155 296 59 463 12 .974 822.0 4.94 +0.9 .991
TOTAL 2B 33 18 44 67 16 115 4 .965 181.2 5.50 +2.8 1.086
TOTAL SS 96 93 155 296 59 463 12 .974 822.0 4.94 +0.9 .991
PLAYER HISTORY
12/30/2018 Signed a minor league contract out of Japan with the Oakland Invaders organization.
01/01/2019 OSA scouting updated ratings (potential): Contact: 20 (70); Power: 25 (65); Eye: 20 (30).
03/28/2019 Named the #4 prospect in the ABA
01/01/2020 OSA scouting updated ratings (potential): Contact: 20 (70); Power: 25 (65); Eye: 20 (30).
04/02/2020 Named the #3 prospect in the ABA
07/03/2020 Named the #4 prospect in the ABA
07/26/2020 Was selected to the 2020 American Baseball Association All-Star Futures Game.
11/07/2020 Named the #51 prospect in the ABA
12/15/2020 Named to the 2020 Sun Coast Baseball League for the (OAK) Apodaca Gangsters.
01/01/2021 OSA scouting updated ratings (potential): Contact: 20 (50); Power: 35 (60); Eye: 30 (45).
02/25/2021 Outstandingly completed training to improve his two-strike approach at the Oakland Invaders development complex.
04/01/2021 Successfully completed training to improve his baserunning fundamentals at the Oakland Invaders development complex.
01/01/2022 OSA scouting updated ratings (potential): Contact: 30 (50); Power: 40 (60); Eye: 30 (45).
03/01/2022 Successfully completed training to generate more batspeed and homerun power at the Oakland Invaders development complex.
06/16/2022 Released by the Oakland organization.
06/30/2022 Signed a minor league contract with the Philadelphia Marauders organization.
01/01/2023 OSA scouting updated ratings (potential): Contact: 35 (45); Power: 45 (60); Eye: 30 (40).
10/13/2023 Wins the 2023 AR SC Great Glove Award at 2B.
01/01/2024 OSA scouting updated ratings (potential): Contact: 40 (50); Power: 40 (45); Eye: 30 (40).
05/08/2024 Goes 5-7 against the Atlanta Aggies, with 1 HR, 5 RBI and 2 R.
01/01/2025 OSA scouting updated ratings (potential): Contact: 45 (50); Power: 40 (45); Eye: 35 (40).
Monday, March 9th , 2026 - OOTP Baseball 26.8 Build 82