P Tien-kai Zhai #12
Age: 21 | Bats: L | Throws: R | Morale: Unhappy    
12/31/2025
P TIEN-KAI ZHAI #12 - AGE: 21 - BATS: L - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
40 0 2-3 3 4.64 54.1 45 5 33 75 1.44 0.2
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 38
Movement 44
Control 1
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 38
Curveball - 67
Changeup - 29
Forkball - 43
 
OTHER PITCHING RATINGS
Velocity 89-91 Mph
Stamina 29
Suggested Role Starter
Groundball Percentage 60 %
Hold Runners 21
Defense 54
RUN/BUNT RATINGS
Running Speed: 11
Stealing Ability: 1
Baserunning Inst.: 1
Sacrifice Bunt: 85
Bunt for Hit: 2
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/29/2026 @ EUG Loss, 0-0 2.0 2 0 0 0 2
07/07/2026 @ VIC Loss, 0-0 0.1 1 1 1 1 1
06/14/2026 @ KIN Loss, 0-0 1.1 0 0 0 0 1 Save
06/13/2026 @ AUS Loss, 0-0 0.2 0 0 0 0 2
06/03/2026 @ SAN Loss, 0-0 1.2 0 0 0 1 3 Save
05/05/2026 @ WIN Loss, 0-0 0.2 0 0 0 0 1
05/05/2026 @ VIC Loss, 0-0 0.2 2 0 0 1 0
04/30/2026 @ WIN Loss, 0-0 0.1 0 0 0 1 1
04/19/2026 @ CON Loss, 0-0 1.0 1 3 3 2 0
04/15/2026 @ CON Loss, 0-0 0.1 0 0 0 1 0
PERSONALITY
Leader Ability:High
Loyalty:Normal
Desire f. Win:Very Low
Greed:Normal
Intelligence:Normal
Work Ethic:Normal
Birthday:04/26/2004
Born in:Kaohsiung, KAO
Nationality:Taiwanese
Height:6' 2"
Weight:175 lbs
Local Popularity:Insignificant
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:-
SINGLE A 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 40 0 2 3 3 4.64 54.1 45 30 28 5 33 75 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 18 2 60.0 40 8 13.42 7.45 12.42 5.47 4.10 1.44 99 0.2 .323        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 60 12 2 1 2 12 10 25 0 2 1 .200 .324 .367 .691      
vs. RHB 144 33 7 0 3 18 23 50 0 0 2 .229 .343 .340 .683      
SINGLE A 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 10 0 0 0 0 9.28 10.2 11 11 11 2 9 16  
May 7 0 1 0 0 2.53 10.2 8 3 3 1 5 18  
June 9 0 1 1 3 5.25 12.0 10 9 7 1 5 14  
July 9 0 0 1 0 1.13 16.0 10 2 2 0 11 22  
August 3 0 0 1 0 9.00 4.0 4 4 4 1 3 4  
September 2 0 0 0 0 9.00 1.0 2 1 1 0 0 1  
Last Year 19 0 0 0 1 4.31 31.1 33 15 15 0 16 29  
2 Years Ago 21 0 0 0 0 6.14 36.2 44 25 25 6 18 39  
Career 93 0 3 3 4 4.99 137.0 139 78 76 11 79 160  
Grass 37 0 2 2 3 4.32 50.0 41 26 24 4 31 67  
Turf 3 0 0 1 0 8.31 4.1 4 4 4 1 2 8  
Day 15 0 1 2 1 6.75 22.2 20 17 17 3 16 29  
Night 25 0 1 1 2 3.13 31.2 25 13 11 2 17 46  
As Reliever / Substitution 40 0 2 3 3 4.64 54.1 45 30 28 5 33 75  
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+
2022 Baltimore - A 18 13 0 1 0 0 4.91 14.2 17 8 8 0 12 17 0 0 1.98 .386 3.96 0.2 96
2023 Baltimore - A 19 21 0 0 0 0 6.14 36.2 44 25 25 6 18 39 0 0 1.69 .376 5.67 -0.3 75
2024 Baltimore - A 20 19 0 0 0 1 4.31 31.1 33 15 15 0 16 29 0 0 1.56 .363 3.81 0.3 98
2025 Baltimore - A 21 40 0 2 3 3 4.64 54.1 45 30 28 5 33 75 0 0 1.44 .323 4.10 0.2 89
Total A 93 0 3 3 4 4.99 137.0 139 78 76 11 79 160 0 0 1.59 .356 4.44 88.2
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2022 Baltimore - A P 11 0 0 1 0 1 0 1.000 14.2 0.61 +0.1 1.066
2023 Baltimore - A P 21 0 2 1 0 3 0 1.000 36.2 0.74 +0.2 1.074
2024 Baltimore - A P 19 0 0 6 0 6 0 1.000 31.1 1.72 +0.2 1.053
2025 Baltimore - A P 38 0 3 7 1 10 0 1.000 54.1 1.66 +0.7 1.201
TOTAL P 89 0 5 15 1 20 0 1.000 137.0 1.31 +1.4 1.126
PLAYER HISTORY
04/05/2021 Signed a minor league contract out of Taiwan with the Jersey Jesters organization.
01/01/2022 OSA scouting updated ratings (potential): Stuff: - (5); Movement: - (4); Control: - (6).
01/01/2023 OSA scouting updated ratings (potential): Stuff: - (41); Movement: - (28); Control: - (17).
04/04/2023 Injured (back spasms), day-to-day for 2 days.
01/01/2024 OSA scouting updated ratings (potential): Stuff: - (44); Movement: - (45); Control: - (11).
08/31/2024 Injured (sprained ankle), day-to-day for 5 days.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (43); Movement: - (43); Control: - (1).
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