P Daulton Jefferies #66
Age: 30 | Bats: L | Throws: R | Morale: Normal
05/25/2026
OA: 37 POT: 37
P DAULTON JEFFERIES #66 - AGE: 30 - BATS: L - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
9 7 4-2 0 5.00 45.0 40 13 12 27 1.16 -0.1
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 40 40 40 40
Movement 50 50 50 50
Control 65 65 65 65
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 45
Slider 40 40
Changeup 45 45
Cutter 40 40
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 55
Suggested Role Starter
Type Neutral
Hold Runners 45
Defense 70
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 30
Baserunning Inst.: 35
Sacrifice Bunt: 45
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
05/23/2026 EP Win, 6-3 X 4.1 7 3 3 4 4
05/18/2026 EP Win, 7-4 X 6.1 5 4 4 0 6
05/12/2026 @ LVA Loss, 4-13 X 2.2 6 6 6 2 1 Loss
05/05/2026 SL Win, 7-4 1.1 2 0 0 0 1
04/29/2026 TAC Win, 7-6 2.0 1 1 1 1 1 Win
04/24/2026 @ EP Win, 6-3 X 8.0 6 3 3 0 3 Win
04/18/2026 ABQ Win, 7-3 X 6.0 4 3 3 1 6 Win
04/13/2026 ABQ Win, 7-1 X 8.0 1 1 1 2 3 Win
04/07/2026 @ REN Loss, 2-5 X 6.1 8 5 4 2 2 Loss
PERSONALITY
Daulton isn't one to rock the boat.
Birthday:08/02/1995
Born in:Atwater, CA
Nationality:American
Height:6' 0"
Weight:190 lbs
Local Popularity:Popular
National Pop.:Well Known
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:1 Year, 48 Days
Service This Yr:None
40-Man Service:1 Year, 48 Days
Pro Service:8 Years
Arbitration Eligibility:Not yet eligible
Option Years:1 option year left
Contract Extension: -
Drafted:-
PACIFIC COAST LEAGUE 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 9 7 4 2 0 5.00 45.0 40 26 25 13 12 27 0 0.0 0 3 42.9
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 2 1 11.20 8.00 5.40 2.40 6.87 1.16 130 -0.1 .208        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 54 10 2 0 3 4 4 11 0 0 2 .185 .267 .389 .656      
vs. RHB 115 30 6 0 10 22 8 16 1 0 2 .261 .317 .574 .891      
PACIFIC COAST LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Last Week 2 2 0 0 0 5.91 10.2 12 7 7 4 4 10  
April 5 4 4 1 0 3.56 30.1 20 13 12 6 6 15  
May 4 3 0 1 0 7.98 14.2 20 13 13 7 6 12  
Last Year 45 12 8 6 12 3.78 123.2 124 53 52 20 21 102  
2 Years Ago 38 19 11 5 0 3.72 135.1 130 65 56 20 29 97  
Career 107 53 28 14 12 4.13 381.0 384 188 175 66 73 294  
Home 6 4 3 0 0 3.86 28.0 20 12 12 7 8 21  
Road 3 3 1 2 0 6.88 17.0 20 14 13 6 4 6  
Grass 9 7 4 2 0 5.00 45.0 40 26 25 13 12 27  
Day 5 4 1 2 0 6.97 20.2 27 17 16 6 9 14  
Night 4 3 3 0 0 3.33 24.1 13 9 9 7 3 13  
As Starter 7 7 3 2 0 5.18 41.2 37 25 24 12 11 25  
As Reliever / Substitution 2 0 1 0 0 2.70 3.1 3 1 1 1 1 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+
2020 Oakland - MLB 24 1 1 0 1 0 22.50 2.0 5 5 5 2 2 1 0 0 3.50 .375 18.23 -0.2 19
2021 Oakland - MLB 25 5 1 1 0 0 3.60 15.0 11 6 6 1 4 8 0 0 1.00 .227 4.15 0.1 120
2022 Oakland - MLB 26 8 8 1 7 0 5.72 39.1 46 26 25 4 8 28 0 0 1.37 .323 3.84 0.5 68
Total MLB 14 10 2 8 0 5.75 56.1 62 37 36 7 14 37 0 0 1.35 .302 4.43 0.4 70
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+
2016 Oakland (ACL) - R 20 5 5 0 0 0 2.38 11.1 1 3 3 0 2 17 0 0 0.26 .040 0.73 0.7 165
2017 Total - A+ 21 2 1 0 0 0 2.57 7.0 7 6 2 0 1 6 0 0 1.14 .292 1.91 0.3 156
2018 Oakland (ACL) - R 22 1 1 0 0 0 0.00 2.0 1 0 0 0 0 5 0 0 0.50 .500 0.00 0.1 999
2019 Total - A+ 23 5 3 1 0 0 2.40 15.0 10 4 4 1 2 21 0 0 0.80 .273 1.67 0.7 167
2019 Midland - AA 23 21 12 1 2 0 3.66 64.0 63 30 26 7 7 72 0 0 1.09 .327 2.93 1.7 109
2021 Las Vegas - AAA 25 15 15 5 1 0 4.91 77.0 90 44 42 13 11 68 0 0 1.31 .320 4.21 1.0 85
2024 Sacramento - AAA 28 38 19 11 5 0 3.72 135.1 130 65 56 20 29 97 0 0 1.17 .270 4.80 2.1 140
2025 Sacramento - AAA 29 45 12 8 6 12 3.78 123.2 124 53 52 20 21 102 0 0 1.17 .292 4.14 2.0 126
2026 Sacramento - AAA 30 9 7 4 2 0 5.00 45.0 40 26 25 13 12 27 0 0 1.16 .208 6.87 -0.1 105
Total PCL 107 53 28 14 12 4.13 381.0 384 188 175 66 73 294 0 0 1.20 .280 4.71 116.2
Total TL 21 12 1 2 0 3.66 64.0 63 30 26 7 7 72 0 0 1.09 .327 2.93 109.5
Total NWL 7 4 1 0 0 2.45 22.0 17 10 6 1 3 27 0 0 0.91 .281 1.75 163.0
Total ACL 6 6 0 0 0 2.02 13.1 2 3 3 0 2 22 0 0 0.30 .074 0.62 194.5
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2020 Oakland - MLB P 1 1 1 0 0 1 0 1.000 2.0 4.50 0.0 .000
2021 Oakland - MLB P 5 1 0 3 0 3 0 1.000 15.0 1.80 -0.1 .000
2022 Oakland - MLB P 8 8 8 1 0 9 0 1.000 39.1 2.06 +0.5 .000
2026 Sacramento - AAA P 9 7 0 6 0 6 0 1.000 45.0 1.20 +0.4 .934
TOTAL P 23 17 9 10 0 19 0 1.000 101.1 1.69 +0.7 .934
PLAYER HISTORY
06/06/2013 Drafted by the Miami Marlins in the 39th round of the 2013 MLB June Amateur Draft from Buhach Colony HS (Atwater, CA).
06/06/2016 Drafted by the Oakland Athletics in the 1st round (37th) of the 2016 MLB June Amateur Draft from University of California, Berkeley (Berkeley, CA)
11/06/2023 Granted Free Agency.
12/07/2023 Signed as a Free Agent with the San Francisco Giants.
06/13/2024 Injured (mild oblique strain),day-to-day for 3 days.
06/23/2024 Was selected to the 2024 Pacific Coast League All-Star Game.
01/01/2025 OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 50 (50); Control: 65 (65).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 50 (50); Control: 65 (65).
01/11/2025 Signed a 1-year minor league contract extension with the San Francisco Giants organization.
04/10/2025 Injured (neck stiffness),day-to-day for 5 days.
06/29/2025 Was selected to the 2025 Pacific Coast League All-Star Game.
01/01/2026 OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 50 (50); Control: 65 (65).
01/01/2026 OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 50 (50); Control: 65 (65).
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