Odds, predictions, standings, and expert analysis for every MLB game
Geoff Hartlieb
Throws R · 2026 player profile
Quality of contact allowed
10-game rolling xwOBA
2026-06-20 — 2026-09-27 · 18 recorded dates. Lower xwOBA means less expected production allowed.
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Our picks on Hartlieb
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Pick record checked Oct 13, 2026 ET. Local preview uses saved data.
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Original reasoning and recorded results.
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Inside the repertoire
What he throws, how it moves, and when he uses it.
The arsenal
| Pitch | Usage | Velo | Whiff% | xwOBA | EV | HMov | VMov | Spin |
|---|---|---|---|---|---|---|---|---|
| SliderSL | 35% | 84.7 | 44.2% | 0.198 | 87.8 | 3.4 | -0.7 | 2470 |
| 4-Seam FastballFF | 33% | 95.3 | 13.6% | 0.359 | 90.0 | -6.8 | 15.1 | 2316 |
| SinkerSI | 16% | 93.9 | 28.9% | 0.334 | 89.5 | -13.7 | 7.0 | 2303 |
| CutterFC | 16% | 91.4 | 12.1% | 0.377 | 93.8 | 0.2 | 10.7 | 2452 |
Contact allowed by location
Heatmap · exit velocity in mph · catcher’s view. Choose a pitch type above to filter measured contact.
Data detail
Season & career
Updated 2026-10-13. Seasons are split by team. Innings use baseball notation: .1 is one out, .2 is two outs.
| Season / team | G | GS | IP | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|
| 2026 · Athletics | 18 | 0 | 28.0 | 22 | 14 | 4.82 | 1.57 |
| 2025 · | 4 | 0 | 3.1 | 5 | 6 | 21.60 | 4.20 |
| 2025 · Detroit Tigers | 2 | 0 | 2.0 | 1 | 2 | 9.00 | 2.50 |
| 2025 · New York Yankees | 2 | 0 | 1.1 | 4 | 4 | 40.50 | 6.75 |
| 2024 · Colorado Rockies | 5 | 0 | 9.0 | 7 | 4 | 9.00 | 1.89 |
| 2023 · Miami Marlins | 2 | 0 | 4.0 | 3 | 3 | 2.25 | 1.25 |
| 2021 · | 7 | 0 | 9.0 | 9 | 11 | 11.00 | 2.33 |
| 2021 · New York Mets | 3 | 0 | 4.1 | 5 | 6 | 14.54 | 3.00 |
| 2021 · Pittsburgh Pirates | 4 | 0 | 4.2 | 4 | 5 | 7.71 | 1.71 |
| 2020 · Pittsburgh Pirates | 21 | 0 | 22.1 | 19 | 19 | 3.63 | 1.57 |
| 2019 · Pittsburgh Pirates | 29 | 0 | 35.0 | 38 | 18 | 9.00 | 2.00 |
| Career | 86 | 0 | 110.2 | 103 | 75 | 7.16 | 1.86 |
Recorded game dates 18 dates
Existing chart-builder observations, grouped by date. Not an official box-score game log; missing values stay blank.
| Date | PA* | xwOBA | BA | EV (mph) | Barrel fraction |
|---|---|---|---|---|---|
| 2026-09-27 | 8 | 0.302 | 0.500 | 83.7 | 0.000 |
| 2026-09-25 | 4 | 0.522 | 0.500 | 110.8 | 0.000 |
| 2026-09-23 | 7 | 0.378 | 0.167 | 93.4 | 0.250 |
| 2026-09-19 | 5 | 0.302 | 0.400 | 98.6 | 0.000 |
| 2026-09-17 | 5 | 0.158 | 0.000 | 93.3 | 0.000 |
| 2026-09-13 | 7 | 0.178 | 0.143 | 91.5 | 0.000 |
| 2026-09-08 | 7 | 0.283 | 0.167 | 93.7 | 0.000 |
| 2026-09-05 | 6 | 0.413 | 0.400 | 104.1 | 0.000 |
| 2026-09-04 | 4 | 0.084 | 0.000 | 84.8 | 0.000 |
| 2026-09-02 | 7 | 0.194 | 0.286 | 76.1 | 0.000 |
*PA is the count of appearances with a positive wOBA denominator.
How to read these numbers
Sample: 124 pa
Compared with 2026 pitchers with a recorded value and at least 50 batters faced.
Sample: 87 bip
Compared with 2026 pitchers with a recorded value and at least 30 batted balls.
Sample: 83 bip
Compared with 2026 pitchers with a recorded value and at least 30 batted balls.
Sample: 86 bip
Compared with 2026 pitchers with a recorded value and at least 50 batters faced.
