P Nick '0' Mikolajchak #21
Worcester Red Sox (BOS) AAA
Age: 27 | Bats: R | Throws: R | Morale: Very Unhappy
10/31/2025
 OA: 37 POT: 37
BNN Index | AAA | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P NICK '0' MIKOLAJCHAK #21 - AGE: 27 - BATS: R - THROWS: R - MORALE: VERY UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
29 0 3-0 0 9.17 35.1 48 4 27 26 2.12 -0.5
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 45 45 45 45
Movement 45 45 45 45
Control 40 40 40 40
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 45
Slider 40 40
Changeup 35 35
Cutter 40 40
 
OTHER PITCHING RATINGS
Velocity 93-95 Mph
Stamina 30
Suggested Role Bullpen
Type Extreme Flyball
Hold Runners 45
Defense 60
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 20
Baserunning Inst.: 35
Sacrifice Bunt: 55
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/05/2025 DUR Loss, 8-22 0.1 4 6 6 1 1
08/26/2025 @ NOR Loss, 3-13 1.0 4 2 2 0 2
08/22/2025 CLM Loss, 3-18 0.2 2 5 5 2 1
08/10/2025 @ TAC Loss, 1-4 2.0 1 0 0 0 2
08/07/2025 SL Win, 5-4 0.1 0 0 0 1 0 Win
08/05/2025 SL Loss, 4-14 1.0 3 6 5 3 2
08/01/2025 @ SCR Loss, 2-7 2.0 0 1 0 2 0
07/29/2025 SGL Win, 5-2 1.1 2 1 1 1 0
07/21/2025 @ RR Loss, 2-11 1.0 1 2 2 2 0
07/16/2025 @ DUR Loss, 4-11 1.0 2 2 2 1 0
PERSONALITY
Birthday:11/21/1997
Born in:Dallas, TX
Nationality:American
Height:6' 2"
Weight:215 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:1 Year, None
Pro Service:5 Years
Arbitration Eligibility:Not yet eligible
Option Years:2 option years left
Contract Extension: -
Drafted:-
AAA 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 29 0 3 0 0 9.17 35.1 48 38 36 4 27 26 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 29 14 19.61 12.23 6.62 6.88 6.14 2.12 135 -0.5 .364        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 76 27 7 0 3 24 11 11 0 0 0 .355 .437 .566 1.003      
vs. RHB 75 21 1 1 1 14 16 15 0 0 2 .280 .419 .360 .779      
AAA 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 3 0 1 0 0 1.29 7.0 5 1 1 0 3 2  
May 5 0 1 0 0 0.00 6.0 4 0 0 0 3 5  
June 6 0 0 0 0 15.00 6.0 16 10 10 1 5 6  
July 8 0 0 0 0 7.00 9.0 9 7 7 2 7 5  
August 6 0 1 0 0 15.43 7.0 10 14 12 0 8 7  
September 1 0 0 0 0 162.00 0.1 4 6 6 1 1 1  
Last Year 46 0 6 6 22 2.92 61.2 57 22 20 4 27 36  
2 Years Ago 24 0 3 2 0 2.93 43.0 29 15 14 2 20 34  
Career 141 0 15 8 25 4.43 201.0 201 104 99 19 95 145  
Home 15 0 2 0 0 12.84 20.1 33 30 29 3 19 15  
Road 14 0 1 0 0 4.20 15.0 15 8 7 1 8 11  
Grass 29 0 3 0 0 9.17 35.1 48 38 36 4 27 26  
Day 8 0 1 0 0 13.50 8.2 13 13 13 3 7 7  
Night 21 0 2 0 0 7.76 26.2 35 25 23 1 20 19  
As Reliever / Substitution 29 0 3 0 0 9.17 35.1 48 38 36 4 27 26  
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 Pawtucket - AAA 24 42 0 3 0 3 4.28 61.0 67 29 29 9 21 49 0 0 1.44 .331 4.72 -0.2 98
2023 Portland - AA 25 16 0 1 2 10 4.60 15.2 17 9 8 2 7 15 0 0 1.53 .341 4.30 -0.0 86
2023 Worcester - AAA 25 24 0 3 2 0 2.93 43.0 29 15 14 2 20 34 0 0 1.14 .233 3.43 0.4 133
2024 Worcester - AAA 26 46 0 6 6 22 2.92 61.2 57 22 20 4 27 36 0 0 1.36 .276 4.09 0.1 135
2025 Worcester - AAA 27 29 0 3 0 0 9.17 35.1 48 38 36 4 27 26 0 0 2.12 .364 6.14 -0.5 50
Total AAA 141 0 15 8 25 4.43 201.0 201 104 99 19 95 145 0 0 1.47 .301 4.50 95.5
Total AA 16 0 1 2 10 4.60 15.2 17 9 8 2 7 15 0 0 1.53 .341 4.30 86.5
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Worcester - AAA P 29 0 0 1 0 1 0 1.000 35.1 0.25 -0.0 1.023
TOTAL P 29 0 0 1 0 1 0 1.000 35.1 0.25 -0.0 1.023
PLAYER HISTORY
11/27/2021 Signed a minor league contract with majors option with the San Francisco Giants organization.
12/30/2021 Was traded by the San Francisco Giants to the Boston Red Sox, along with LF Justin Upton, SP Yosver Zulueta, and RP Dane Acker, in exchange for RP Yaisel Sierra.
01/01/2022 OSA scouting updated ratings (potential): Stuff: 50 (60); Movement: 40 (45); Control: 50 (60).
03/15/2022 Became a minor league free agent.
03/15/2022 Retired from professional baseball (storyline).
03/26/2022 Returned from retirement.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 55 (70); Movement: 50 (50); Control: 40 (55).
01/01/2024 OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 55 (55); Control: 45 (45).
01/01/2024 OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 55 (55); Control: 45 (45).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 45 (45); Control: 40 (40).
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