Seth Martinez
Bats R Throws R6'2" 200 lbBorn 1994 Peoria, USADebut 2021Team MIADraft 2016 R17 #502 Athletics, Arizona StateContract 1 y (26) 2026: $213,904
Projections
| Season | BF | K% | BB% | HR% | 1B% | XBH% | PITCH+ |
|---|
| 2026 | 120 | 20.8 | 8.4 | 2.73 | 20.6 | 6.22 | 103.9 |
| 2027 | | | | | | | 103.6 |
| 2028 | | | | | | | 103.3 |
Projected rates are per plate appearance or batter faced; counting stats scale with projected playing time. Statcast measurements inform these projections as inputs and are reported as measurements, not projected.
Most similar through age 30
His ten closest age-30 comparables averaged 96 PITCH+ the next season; 5 of 10 played. Averages cover only the players who got a next season, which is why the played count matters.
Pitching
| Year | Team | W | L | ERA | G | GS | SV | IP | BF | HR | BB | SO | PITCH+ |
|---|
| 2027 proj | | | | | | | | | 120 | | | | 103.6 | | |
| 2026* | | | | | | | | | 6 | | | | 65.8 | 100.0 | 65.8 |
| 2025 | MIA | 0 | 0 | 5.40 | 6 | 0 | 0 | 6.7 | 27 | 2 | 3 | 4 | 100.8 | 118.7 | 119.5 |
| 2024 | HOU | 3 | 2 | 3.59 | 44 | 0 | 1 | 52.7 | 222 | 7 | 18 | 36 | 96.0 | 100.2 | 96.2 |
| 2023 | HOU | 2 | 3 | 5.23 | 35 | 0 | 1 | 43.0 | 195 | 5 | 19 | 45 | 89.7 | 97.2 | 86.9 |
| 2022 | HOU | 1 | 1 | 2.09 | 29 | 0 | 0 | 38.7 | 155 | 3 | 14 | 38 | 121.5 | 104.0 | 125.5 |
| 2021 | HOU | 0 | 0 | 15.00 | 3 | 0 | 0 | 3.0 | 16 | 0 | 3 | 3 | 55.4 | 99.6 | 55.0 |
| Career | | 6 | 6 | 4.00 | 117 | 0 | 2 | 144.0 | 615 | 17 | 57 | 126 | 99.6 | | 100.6 |
Fielding
| Year | Team | Pos | G | Inn | PO | A | E | DP | Fld% | Runs saved |
|---|
| 2025 | MIA | P | 6 | 7 | 0 | 1 | 0 | 0 | 1.000 | +0.6 |
| 2024 | HOU | P | 44 | 53 | 5 | 5 | 0 | 0 | 1.000 | +0.1 |
| 2023 | HOU | P | 35 | 43 | 1 | 4 | 0 | 0 | 1.000 | -0.7 |
| 2022 | HOU | P | 29 | 39 | 1 | 5 | 0 | 1 | 1.000 | +0.8 |
| 2021 | HOU | P | 3 | 3 | 0 | 0 | 0 | 0 | | -0.0 |
Runs saved covers the Statcast era; for catchers it includes framing.
Minor leagues
| Year | Level | Team | Side | PA / BF | Line | AVG / ERA | OPS |
|---|
| 2026 | AAA | Worcester Red Sox | Pit | 269 | 64.0 IP, 19% K | 5.62 | |
| 2025 | AAA | Jacksonville Jumbo Shrimp | Pit | 187 | 43.2 IP, 29% K | 3.75 | |
| 2024 | AAA | Sugar Land Space Cowboys | Pit | 50 | 12.1 IP, 24% K | 1.49 | |
| 2023 | AAA | Sugar Land Space Cowboys | Pit | 88 | 20.0 IP, 34% K | 2.25 | |
| 2022 | AAA | Sugar Land Space Cowboys | Pit | 61 | 15.0 IP, 25% K | 3.60 | |
| 2021 | AAA | Sugar Land Skeeters | Pit | 230 | 57.2 IP, 34% K | 2.83 | |
| 2019 | AA | Midland RockHounds | Pit | 114 | 28.2 IP, 29% K | 1.28 | |
| 2019 | A+ | Stockton Ports | Pit | 166 | 43.0 IP, 25% K | 3.35 | |
| 2018 | A | Beloit Snappers | Pit | 291 | 71.1 IP, 20% K | 3.29 | |
| 2017 | A | Beloit Snappers | Pit | 394 | 95.1 IP, 19% K | 3.50 | |
Splits
| Year | vs LHP | vs RHP | Home | Away |
|---|
| 2026 | 0.350 | 0.537 | | 0.475 |
| 2025 | 0.274 | 0.360 | 0.412 | 0.000 |
| 2024 | 0.388 | 0.309 | 0.353 | 0.326 |
| 2023 | 0.415 | 0.299 | 0.391 | 0.285 |
| 2022 | 0.355 | 0.201 | 0.257 | 0.256 |
| 2021 | 0.407 | 0.494 | | 0.456 |
wOBA by split, from pitch level data, 2015 on. For pitchers the split is the batter side faced.