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Oakland Athletics · P · 2026 season
Geoff Hartlieb (P, Oakland Athletics) has a 4.82 ERA with 22 strikeouts in 28.0 innings over 18 games in 2026.
Last game
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| Date | Opp | IP | K | ER | Dec |
|---|---|---|---|---|---|
| Sep 27 | vs HOURelief | 1.2 | 1 | 1 | — |
| Sep 25 | vs HOURelief | 0.1 | 1 | 3 | — |
| Sep 23 | vs LAARelief | 1.2 | 2 | 0 | W |
| Sep 19 | @ CLERelief | 1.0 | 2 | 1 | — |
| Sep 17 | @ TBRelief | 1.2 | 2 | 0 | — |
| Sep 13 | vs SEARelief | 2.0 | 2 | 0 | — |
| Sep 8 | vs TORRelief | 2.0 | 2 | 0 | — |
| Sep 5 | @ SEARelief | 1.0 | 2 | 1 | — |
| Sep 4 | @ SEARelief | 1.1 | 1 | 0 | — |
| Sep 2 | @ TEXRelief | 2.0 | 1 | 0 | — |
QS = quality start: 6+ innings and 3 or fewer earned runs.
Showing 10 of 15 games. The full game log is part of the player's full breakdown (a free account opens 5 players a day; Pro has no limit).
| Split | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| Home | 8 | 15.2 | 4.60 | 1.60 | 6.32 |
| Road | 10 | 12.1 | 5.11 | 1.54 | 8.03 |
| Split | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| Jun | 4 | 8.2 | 5.19 | 1.62 | 3.12 |
| Jul* | 4 | 4.2 | 7.71 | 2.57 | 5.79 |
| Sep | 10 | 14.2 | 3.68 | 1.23 | 9.82 |
| Split | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| Last 15 days* | 3 | 3.2 | 9.82 | 2.45 | 9.82 |
| Last 30 days | 7 | 10.1 | 4.35 | 1.35 | 10.45 |
| Season | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| 2026 | 18 | 28.0 | 4.82 | 1.57 | 7.07 |
| 2025 | 4 | 3.1 | 21.60 | 4.20 | 13.50 |
| 2024 | 5 | 9.0 | 9.00 | 1.89 | 7.00 |
* A small sample: under 15 plate appearances (hitters) or 5 innings (pitchers).
Geoff Hartlieb's full breakdown holds role and workload by game. Checking your player views…
Checking your player views…Geoff Hartlieb's full breakdown holds heat maps, the spray chart and pitch-type matchups. Checking your player views…
Checking your player views…Season totals and logs are from box scores. Prop lines from DraftKings, FanDuel and BetMGM. Descriptive history, not a forecast or a pick. For information only, not betting advice. 21+ only. Gambling problem? Call or text 1-800-GAMBLER.