P Si-dao Chen #31
Rock River Rats (SF) AA
Age: 20 | Bats: R | Throws: L | Morale: Very Good    
12/31/2025
BNN Index | AA | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P SI-DAO CHEN #31 - AGE: 20 - BATS: R - THROWS: L - MORALE: VERY GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
34 27 10-6 0 4.51 159.2 148 17 65 187 1.33 3.1
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 72
Movement 29
Control 34
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 79
Slider - 29
Curveball - 60
Changeup - 65
Forkball - 66
OTHER PITCHING RATINGS
Velocity 97-99 Mph
Stamina 78
Suggested Role Starter
Groundball Percentage 52 %
Hold Runners 83
Defense 13
RUN/BUNT RATINGS
Running Speed: 18
Stealing Ability: 5
Baserunning Inst.: 2
Sacrifice Bunt: 79
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/30/2026 @ PHO Loss, 0-0 X 3.1 10 6 5 1 5
08/24/2026 @ SAS Loss, 0-0 0.0 1 0 0 0 0
08/11/2026 @ SPO Loss, 0-0 X 7.0 1 3 3 4 9
07/31/2026 @ WIC Loss, 0-0 0.1 0 0 0 0 1
07/29/2026 @ LON Loss, 0-0 2.0 1 0 0 0 4
07/22/2026 @ CIN Loss, 0-0 0.1 0 0 0 0 1 Win
07/18/2026 @ SPO Loss, 0-0 2.0 3 3 3 0 5
07/12/2026 @ SAN Loss, 0-0 X 8.0 3 1 1 2 10 Win
07/03/2026 CIN Loss, 0-0 X 4.2 5 4 4 5 3 Loss
06/19/2026 @ TYL Loss, 0-0 X 7.0 5 1 1 3 10 Win
PERSONALITY
Leader Ability:High
Loyalty:Low
Desire f. Win:Normal
Greed:Low
Intelligence:Normal
Work Ethic:Normal
Birthday:03/16/2005
Born in:Unknown
Nationality:Chinese
Height:6' 1"
Weight:185 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:3 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:2022, 6th Pick in Round 4
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 34 27 10 6 0 4.51 159.2 148 87 80 17 65 187 0 0.0 0 10 37.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 1 0 0.0 7 5 12.74 8.34 10.54 3.66 4.14 1.33 88 3.1 .324        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 152 38 7 2 0 17 14 58 0 1 3 .250 .325 .322 .648      
vs. RHB 451 110 13 1 17 70 51 129 5 1 10 .244 .331 .390 .721      
DOUBLE A 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 5 2 0 0 2.70 30.0 28 10 9 2 9 37  
May 5 5 0 3 0 10.32 22.2 30 28 26 3 14 28  
June 5 5 2 0 0 1.65 32.2 25 9 6 2 11 37  
July 9 5 4 2 0 5.63 32.0 34 20 20 4 18 37  
August 7 5 0 0 0 5.18 24.1 22 15 14 3 10 31  
September 3 2 2 1 0 2.50 18.0 9 5 5 3 3 17  
Last Year 12 6 1 1 2 3.21 47.2 43 20 17 4 25 41  
Career 46 33 11 7 2 4.21 207.1 191 107 97 21 90 228  
Home 1 1 0 1 0 7.71 4.2 5 4 4 0 5 3  
Grass 34 27 10 6 0 4.51 159.2 148 87 80 17 65 187  
Day 8 7 1 1 0 5.44 43.0 42 28 26 5 13 60  
Night 26 20 9 5 0 4.17 116.2 106 59 54 12 52 127  
As Starter 27 27 8 6 0 4.58 151.1 143 84 77 16 64 173  
As Reliever / Substitution 7 0 2 0 0 3.24 8.1 5 3 3 1 1 14  
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+
2021 Yomiuri - COL 16 10 10 4 4 0 6.39 49.1 65 40 35 6 24 45 0 0 1.80 .366 5.15 0.8 85
2022 Yomiuri - COL 17 14 14 5 1 0 2.84 85.2 73 32 27 9 28 109 0 0 1.18 .295 3.70 2.8 191
2022 Chippewa - A 17 18 18 6 4 0 6.02 98.2 110 66 66 20 56 109 0 0 1.68 .347 6.55 -0.6 78
2023 Chippewa - A 18 30 30 8 13 0 6.21 145.0 195 105 100 17 81 161 0 0 1.90 .403 5.34 0.8 75
2024 Chippewa - A 19 19 9 6 3 1 2.48 69.0 53 21 19 2 24 95 0 0 1.12 .319 2.95 2.0 171
2024 Rock River - AA 19 12 6 1 1 2 3.21 47.2 43 20 17 4 25 41 0 0 1.43 .285 4.62 0.7 150
2025 Rock River - AA 20 34 27 10 6 0 4.51 159.2 148 87 80 17 65 187 0 0 1.33 .324 4.14 3.1 104
Total AA 46 33 11 7 2 4.21 207.1 191 107 97 21 90 228 0 0 1.36 .314 4.25 114.4
Total A 67 57 20 20 1 5.33 312.2 358 192 185 39 161 365 0 0 1.66 .370 5.20 96.9
Total Pro Feeder 24 24 9 5 0 4.13 135.0 138 72 62 15 52 154 0 0 1.41 .325 4.23 152.3
CAREER POSTSEASON 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 Chippewa - A 17 1 1 0 1 0 14.54 4.1 5 7 7 1 4 1 0 0 2.08 .250 0.00 0.0 0
2023 Chippewa - A 18 2 2 1 0 0 5.14 14.0 15 8 8 3 7 11 0 0 1.57 .293 0.00 0.0 0
Total A 3 3 1 1 0 7.36 18.1 20 15 15 4 11 12 0 0 1.69 .281 7.46 76.4
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2021 Yomiuri - COL P 10 10 2 10 1 12 0 1.000 49.1 2.19 +0.8 1.069
2022 Chippewa - A P 18 18 3 10 1 13 0 1.000 98.2 1.19 +1.0 1.066
2022 Yomiuri - COL P 14 14 3 3 0 7 1 .857 85.2 0.63 +0.8 1.081
2023 Chippewa - A P 30 30 3 14 0 18 1 .944 145.0 1.06 +0.1 .931
2024 Rock River - AA P 12 6 1 5 0 6 0 1.000 47.2 1.13 +0.4 1.050
2024 Chippewa - A P 18 9 2 6 0 8 0 1.000 69.0 1.04 -0.0 .936
2025 Rock River - AA P 33 27 9 13 0 23 1 .957 159.2 1.24 -0.6 .826
TOTAL P 135 114 23 61 2 87 3 .966 655.0 1.15 +2.5 .967
PLAYER HISTORY
06/07/2021 Joined the Yomiuri Giants.
01/01/2022 OSA scouting updated ratings (potential): Stuff: - (7); Movement: - (6); Control: - (14).
05/19/2022 Was selected to the 2022 NIPPON BASEBALL LEAGUE All-Star Game.
06/07/2022 Drafted in the 2022 first-year player draft (Round 4, Pick 6, 84th overall pick) by the San Francisco Earthquakes.
06/16/2022 Released by the Yomiuri Giants.
06/16/2022 Signed a minor league contract with the San Francisco Earthquakes organization with a signing bonus of $220,000.
01/01/2023 OSA scouting updated ratings (potential): Stuff: - (39); Movement: - (28); Control: - (66).
05/19/2023 Injured (hamstring soreness), out for 3 days.
07/15/2023 Injured (torn meniscus (knee)), out for 4 weeks.
10/18/2023 Won the 2023 SINGLE A Single A World Series with the Chippewa River Chiefs!
01/01/2024 OSA scouting updated ratings (potential): Stuff: - (36); Movement: - (30); Control: - (51).
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (38); Movement: - (29); Control: - (39).
04/22/2025 Injured (dead arm), out for one week.
06/21/2025 Injured (neck stiffness), day-to-day for 5 days.
09/17/2025 Injured (tender elbow), day-to-day for one week.
09/23/2025 Suffered setback in recovery from injury, will miss another 4 days.
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