P Nate O'Brien #45
Arizona(ACL) Diamondbacks (ARI) ACL
Age: 21 | Bats: R | Throws: R | Morale: Normal
07/19/2026
BNN Index | ACL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P NATE O'BRIEN #45 - AGE: 21 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
0 0 0-0 0 0.00 0.0 0 0 0 0 0.00 0.0
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 35 35 35 40
Movement 35 35 35 45
Control 30 30 30 40
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 40 40
Changeup 20 40
Splitter 30 35
 
 
OTHER PITCHING RATINGS
Velocity 89-91 Mph
Stamina 55
Suggested Role Starter
Type Flyball Pitcher
Hold Runners 45
Defense 50
RUN/BUNT RATINGS
Running Speed: 20
Stealing Ability: 20
Baserunning Inst.: 35
Sacrifice Bunt: 65
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
07/03/2026 @ LAK Loss, 2-4 1.0 2 0 0 0 1
06/28/2026 MOD Loss, 4-5 6.2 8 3 3 1 1
06/20/2026 @ RAN Win, 4-0 5.0 5 0 0 2 0 Win
06/10/2026 LAK Win, 6-5 1.2 2 0 0 1 0
PERSONALITY
Birthday:11/03/2004
Born in:Weatherford, TX
Nationality:American
Height:6' 4"
Weight:200 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:1 Year
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:2025, 22nd Pick in Round 22
CALIFORNIA LEAGUE 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2 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 4 1 13.81 10.67 1.26 2.51 4.79 1.47 124 -0.1 .308        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 20 3 1 0 1 3 1 1 0 0 0 .150 .190 .350 .540      
vs. RHB 35 14 3 0 0 0 3 1 0 2 1 .400 .462 .486 .947      
CALIFORNIA LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 3 0 1 0 0 2.02 13.1 15 3 3 1 4 1  
July 1 0 0 0 0 0.00 1.0 2 0 0 0 0 1  
Career 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2  
Home 2 0 0 0 0 3.24 8.1 10 3 3 1 2 1  
Road 2 0 1 0 0 0.00 6.0 7 0 0 0 2 1  
Grass 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2  
Night 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2  
As Reliever / Substitution 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2  
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+
2025 Total - 20 17 14 6 4 0 3.66 96.0 102 43 39 8 27 78 0 0 1.34 .309 3.50 1.9 100
2025 Arizona(ACL) - R 20 5 5 0 1 0 4.91 7.1 10 4 4 1 3 8 0 0 1.77 .391 4.72 0.1 106
2026 Visalia - A 21 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2 0 0 1.47 .308 4.79 -0.1 204
Total CAL 4 0 1 0 0 1.88 14.1 17 3 3 1 4 2 0 0 1.47 .308 4.79 204.5
Total ACL 5 5 0 1 0 4.91 7.1 10 4 4 1 3 8 0 0 1.77 .391 4.72 105.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Visalia - A P 4 0 0 2 0 2 0 1.000 14.1 1.26 +0.3 .992
TOTAL P 4 0 0 2 0 2 0 1.000 14.1 1.26 +0.3 .992
PLAYER HISTORY
07/11/2025 Drafted in the 2025 first-year player draft out of college (Blinn College; Brenham, TX) by the Arizona Diamondbacks. (Round 22, Pick 22, 652nd overall pick).
01/01/2026 OSA scouting updated ratings (potential): Stuff: 30 (40); Movement: 30 (45); Control: 25 (40).
06/10/2026 Injured (pulled abdominal muscle),day-to-day for one week.
06/20/2026 Injured (sore back),day-to-day for 5 days.
Sunday, April 19th , 2026 - OOTP Baseball 26.8 Build 82