| Year | AB | H | R | HR | RBI | BB | SO | SB | AVG | Rate |
| 2026 proj | 106 | 23 | 13 | 3 | 11 | 6 | 23 | 0 | 0.217 | 2.6 |
| 2025 | 77 | 17 | 12 | 1 | 5 | 7 | 10 | 0 | 0.221 | 1.3 |
| 2024 | 90 | 15 | 5 | 1 | 9 | 1 | 22 | 0 | 0.167 | -2.0 |
| 2023 | 224 | 54 | 30 | 10 | 31 | 12 | 62 | 2 | 0.241 | 12.7 |
| Date | News |
| 12/16/25 | Mariners sign Andrew Knizner to back up Cal Raleigh. Catcher Andrew Knizner has played in parts of seven big-league seasons with St. Louis, Texas and San Francisco, and has posted a .211 average with 19 homers. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 12/12/25 | Mariners closing in on deal with veteran backup catcher Andrew Knizner. The Mariners are closing in on a deal to sign veteran free agent catcher Andrew Knizner, industry sources told The Seattle Times. Source: https://www.seattletimes.com/sports/mariners/marin... |
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