P Daulton Jefferies #66
Age: 31 | Bats: L | Throws: R | Morale: Normal
11/05/2026
OA: 30 POT: 30
P DAULTON JEFFERIES #66 - AGE: 31 - BATS: L - 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 40 40 45 40
Movement 40 40 45 40
Control 55 55 60 55
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 60 60
Slider 55 55
Changeup 60 60
 
 
OTHER PITCHING RATINGS
Velocity 89-91 Mph
Stamina 45
Suggested Role Starter
Type Groundball Pitcher
Hold Runners 55
Defense 70
RUN/BUNT RATINGS
Running Speed: 30
Stealing Ability: 35
Baserunning Inst.: 30
Sacrifice Bunt: 40
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
PERSONALITY
Stands in a corner in a crowded bar.
Birthday:08/02/1995
Born in:Atwater, CA
Nationality:American
Height:6' 0"
Weight:180 lbs
Local Popularity:Insignificant
National Pop.:Insignificant
STATUS
Contract:None, Free Agent
Salary:-
Signed Through:-
Major Service:4 Years, 150 Days
Service This Yr:None
40-Man Service:5 Years, 3 Days
Pro Service:9 Years
Arbitration Eligibility:Arbitration eligible in offseason
Option Years:1 option year left
Contract Extension: -
Drafted:-
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 33 11 4 3 1 5.81 88.1 115 59 57 16 27 96 0 0 1.61 .394 4.92 0.5 79
2022 Oakland - MLB 26 27 0 3 2 3 3.90 32.1 31 16 14 3 8 38 0 0 1.21 .329 3.14 0.7 116
2022 Colorado - MLB 26 17 17 3 7 0 4.48 86.1 96 48 43 9 15 64 1 0 1.29 .318 3.88 1.6 96
2022 Total - MLB 26 44 17 6 9 3 4.32 118.2 127 64 57 12 23 102 1 0 1.26 .320 3.68 2.3 101
2023 Colorado - MLB 27 19 19 4 9 0 4.91 106.1 118 64 58 17 27 93 1 0 1.36 .314 4.67 1.0 88
2024 Colorado - MLB 28 26 26 5 13 0 6.06 123.1 153 85 83 28 25 126 0 0 1.44 .348 5.12 0.5 72
2025 Colorado - MLB 29 4 4 0 1 0 8.78 13.1 22 14 13 3 2 8 0 0 1.80 .404 6.53 -0.1 55
Total MLB 128 79 20 36 4 5.38 458.2 546 292 274 79 107 429 2 0 1.42 .342 4.70 4.1 82
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 (AZL) - R 20 5 5 0 0 0 2.38 11.1 11 3 3 0 2 17 0 0 1.15 .440 0.73 0.7 164
2017 Stockton - 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 (AZL) - 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 Stockton - 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 1.7 110
2021 Oakland - MLB 25 1 1 1 0 0 1.35 6.2 6 1 1 1 1 3 0 0 1.05 .250 5.09 0.1 340
2021 Las Vegas - AAA 25 3 3 0 1 0 2.79 19.1 19 10 6 3 4 17 0 0 1.19 .286 4.25 0.2 140
2023 Albuquerque - AAA 27 3 3 0 0 0 3.24 16.2 13 6 6 5 4 16 0 0 1.02 .200 5.94 -0.1 128
2024 Albuquerque - AAA 28 1 1 0 0 0 0.00 1.1 0 0 0 0 0 3 0 0 0.00 .000 0.00 0.1 999
2025 Albuquerque - AAA 29 2 2 0 0 0 5.40 6.2 5 4 4 2 4 1 0 0 1.35 .136 8.68 -0.3 72
Total AAA W 9 9 0 1 0 3.27 44.0 37 20 16 10 12 37 0 0 1.11 .227 5.43 122.0
Total AA C 21 12 1 2 0 3.66 64.0 63 30 26 7 7 72 0 0 1.09 .327 2.93 109.7
Total A+ W 7 4 1 0 0 2.45 22.0 17 10 6 1 3 27 0 0 0.91 .281 1.75 162.9
Total AZL 6 6 0 0 0 2.02 13.1 12 3 3 0 2 22 0 0 1.05 .444 0.62 193.4
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+
2021 Oakland - MLB 25 5 0 0 1 1 5.40 8.1 16 6 5 2 2 12 0 0 2.16 .519 5.27 -0.0 85
Total MLB 5 0 0 1 1 5.40 8.1 16 6 5 2 2 12 0 0 2.16 .519 5.27 85.0
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 32 11 6 7 0 14 1 .929 88.1 1.32 +1.2 1.183
2022 Oakland - MLB P 26 0 0 2 0 2 0 1.000 32.1 0.56 -0.2 1.013
2022 Colorado - MLB P 17 17 2 5 0 7 0 1.000 86.1 0.73 -1.2 1.013
2023 Colorado - MLB P 19 19 8 5 0 14 1 .929 106.1 1.10 -2.4 .719
2024 Colorado - MLB P 26 26 6 10 0 16 0 1.000 123.1 1.17 +0.4 1.004
2025 Colorado - MLB P 3 3 0 1 0 1 0 1.000 13.1 0.67 +0.1 .000
TOTAL P 124 77 23 30 0 55 2 .964 452.0 1.06 -2.3 .980
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)
03/17/2021 Named the #27 prospect in the MLB
04/01/2021 Named the #27 prospect in the MLB
11/05/2021 Wins the 2021 World Series with the Oakland Athletics.
11/28/2021 Received a 1-year contract through automatic renewal worth a total of $570,500.
01/01/2022 OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 45 (45); Control: 70 (70).
05/10/2022 Injured (oblique strain),out for one week.
07/04/2022 Was traded by the Oakland Athletics to the Colorado Rockies, along with RP Jesus Zambrano, CF Jaden Rudd, in exchange for 1B Rowdy Tellez.
08/13/2022 Injured (heat exhaustion),day-to-day for 2 days.
09/02/2022 Injured (mild calf strain),day-to-day for 1 day.
12/04/2022 Received a 1-year contract through automatic renewal worth a total of $570,500.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 45 (45); Control: 70 (70).
03/18/2023 Injured (strained back),day-to-day for one week.
04/26/2023 Injured (sprained ankle),out for 2 months.
12/02/2023 Received a 1-year contract through arbitration worth a total of $850,000.
01/01/2024 OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 45 (45); Control: 75 (75).
05/25/2024 Injured (mild oblique strain),day-to-day for one week.
08/24/2024 Injured (strained hamstring),day-to-day for 2-3 weeks.
09/09/2024 Injured (surgery to remove bone chips (elbow)),out for 4 months.
11/27/2024 Received a 1-year contract through arbitration worth a total of $950,000.
01/01/2025 OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 75 (75).
03/10/2025 Injured (mild calf strain),day-to-day for 1 day.
03/25/2025 Injured (strained triceps),out for 6-7 weeks.
06/03/2025 Injured (strained back),day-to-day for one week.
06/25/2025 Injured (sore back),day-to-day for one week.
07/01/2025 Injured (ruptured disc (back)),out for 8 months.
11/27/2025 Was not offered arbitration and became a free agent.
01/01/2026 OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 40 (40); Control: 60 (60).
LEADERBOARD APPEARANCES
Year L Rank
2024 13 9
Year CG Rank
2022 1 8
2023 1 3
Tuesday, October 4th , 2022 - OOTP Baseball 23.7 Build 88