Joey Gerber
Bats R Throws R6'4" 212 lbBorn 1997 Maple Grove, USADebut 2020Team TBDraft 2018 R8 #238 Seattle Mariners, University of Illinois
Projections
| Season | BF | K% | BB% | HR% | 1B% | XBH% | PITCH+ |
|---|
| 2026 | 121 | 22.9 | 8.2 | 3.11 | 20.7 | 6.36 | 102.3 |
| 2027 | | | | | | | 104.5 |
| 2028 | | | | | | | 103.1 |
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 28
His ten closest age-28 comparables averaged 90 PITCH+ the next season; 7 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 | | | | | | | | | 121 | | | | 104.5 | | |
| 2026* | | | | | | | | | 34 | | | | 103.2 | 99.2 | 102.4 |
| 2025 | TB | 0 | 0 | 2.08 | 2 | 0 | 0 | 4.3 | 15 | 1 | 0 | 4 | 120.2 | 99.8 | 120.0 |
| 2020 | SEA | 1 | 1 | 4.02 | 17 | 0 | 0 | 15.7 | 62 | 1 | 5 | 6 | 102.4 | 99.1 | 101.5 |
| Career | | 1 | 1 | 3.60 | 19 | 0 | 0 | 20.0 | 77 | 2 | 5 | 10 | 105.9 | | 105.1 |
Fielding
| Year | Team | Pos | G | Inn | PO | A | E | DP | Fld% | Runs saved |
|---|
| 2025 | TB | P | 2 | 4 | 1 | 0 | 0 | 0 | 1.000 | -0.0 |
| 2020 | SEA | P | 17 | 16 | 2 | 0 | 0 | 1 | 1.000 | -0.1 |
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 | Syracuse Mets | Pit | 125 | 26.2 IP, 22% K | 8.24 | |
| 2025 | AAA | Durham Bulls | Pit | 193 | 43.1 IP, 28% K | 6.26 | |
| 2024 | AAA | Scranton/Wilkes-Barre RailRiders | Pit | 65 | 14.0 IP, 23% K | 3.86 | |
| 2024 | AA | Somerset Patriots | Pit | 63 | 15.1 IP, 29% K | 1.79 | |
| 2019 | AA | Arkansas Travelers | Pit | 96 | 22.2 IP, 31% K | 1.62 | |
| 2019 | A+ | Modesto Nuts | Pit | 108 | 26.0 IP, 36% K | 3.46 | |
| 2018 | A | Clinton LumberKings | Pit | 47 | 11.2 IP, 47% K | 2.41 | |
Splits
| Year | vs LHP | vs RHP | Home | Away |
|---|
| 2026 | 0.216 | 0.417 | 0.378 | 0.278 |
| 2025 | 0.000 | 0.225 | 0.225 | 0.000 |
| 2020 | 0.348 | 0.292 | 0.316 | 0.310 |
wOBA by split, from pitch level data, 2015 on. For pitchers the split is the batter side faced.