Daulton Jefferies (RP) - Oakland Athletics MLB Stats 2026
Updated
Daulton Jefferies
·
RP
·
MLB
·
3,108 views
31 yrs
·
6' 0"
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182 lbs
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California
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Bats: Left / Throws: Right
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Debut: 2020
ERA
9.82
W-L
0-2
IP
14.2
K
12
Prior Season Stats
(2026 season data will appear once games are played)
Daulton carries a 9.82 ERA over 14.2 innings in 2026 with a 0-2 record. Daulton is worth -0.2 WAR this season.
Pitching Splits Pitching performance splits against left-handed and right-handed batters. 2024 Season - 73 TBF
| Split | K% | K/9 | BB% | wOBA | xFIP | HH% |
|---|---|---|---|---|---|---|
| vs LHB | 22.6% | 10.5 | 9.7% | 0.482 | 4.09 | 35.7% |
| vs RHB | 11.9% | 5.2 | 2.4% | 0.438 | 4.98 | 35.7% |
| Overall | 16.4% | 7.4 | 5.5% | 0.457 | 5.13 | 35.7% |
Pitching Splits — K% & BB% (2026) Strikeout and walk rates against left-handed batters, right-handed batters, and overall.
Pitching Splits — wOBA (2026) Weighted on-base average allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.
Pitching Splits — HH% (2026) Hard-hit rate allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.
Season Context Key season-level pitching metrics including games played, SIERA, and batted ball data. 2024 Season - 73 TBF
GP
—
SIERA
4.53
P/IP
19.8
TBF
73
HH%
35.7%
Barrel%
8.9%
CSW%
—
CSW Prev
—
GB%
50.0%
FB%
50.0%
Bullpen
4.56
RSB
—
Batted Ball Profile (2026) Ground ball vs fly ball tendency — higher GB% generally means fewer home runs allowed.
Traditional Stats Standard pitching stats: ERA, FIP, W/L, saves, holds, innings, and games started. 2026 Season
ERA
9.82
FIP
6.10
W
0
L
2
K
—
BB
—
K/9
—
SV
0
HLD
0
IP
14.2
GS
1
WAR
-0.2
ERA-
239
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Daulton Jefferies MLB Stats 2026
Daulton Jefferies is a RP for the Oakland Athletics. View Daulton's current season stats, recent performance trends, and key statistical categories to evaluate fantasy value and make informed DFS lineup decisions.
Stats updated November 8, 2026.