Players · E · Pitcher · 2026 regular season
Brandon Eisert
- Age
- 28
- B/T
- L/L
- Height
- 6' 2"
- Weight
- 210 lb
- Number
- #14
- Born
- January 19, 1998 in Portland, OR, United States
- MLB debut
- June 17, 2024
- Drafted
- 2019, round 18
- College
- Oregon State
- dbWAR
- .7 Regular season, 3 season(s)
- IP
- 44.0
- ERA
- 5.52
- FIP
- 3.67
- K/9
- 10.0
- FIP−
- 88 100 = avg
Brandon Eisert is a relief pitcher for the Chicago White Sox. In 2026 he struck out 49 batters over 44.0 innings across 40 appearances, going 3-3. His ERA of 5.52 was 32.1% higher than the league average of 4.18 — 16th of 18 on his team, and 449th of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 3.67 FIP suggests he pitched better than his ERA shows. He missed bats on 30.6% of swings (14.0% of every pitch he threw), walked 7.4% of the batters he faced and struck out 25.9%. His 0.5 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.
League context
Percentile among qualified pitchers, 2026 regular season.
WAR by season
Pitching Regular season
Standard and advanced, by season. Regular-season games only.
Platoon splits
How left- and right-handed hitters fare against him.
| Split | PA | AB | H | HR | BB | SO | AVG | OBP | SLG | wOBA | K% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| vs LHB | 90 | 77 | 16 | 3 | 7 | 26 | .208 | .282 | .338 | .281 | 28.9% |
| vs RHB | 99 | 92 | 27 | 3 | 7 | 23 | .293 | .343 | .511 | .369 | 23.2% |
Pitch sequencing
What Brandon Eisert throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Brandon Eisert throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Four-Seam Fastball | 311 | 90.0 | 2,113 | 44.7% | 27.7% | 66 | .227 | .771 | |
| Slider | 274 | 83.9 | 2,220 | 51.1% | 34.3% | 62 | .274 | .738 | |
| Changeup | 146 | 84.7 | 1,329 | 33.6% | 32.8% | 30 | .333 | .808 | |
| Sinker | 53 | 89.1 | 2,007 | 41.5% | 19.0% | 11 | — | — |
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Similar players
Nearest 2026 seasons by command, run prevention and role, on rate statistics rather than totals.
wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.