SEATTLE — Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the Mariners have signed catcher Andrew Knizner to a 1-year Major League contract through 2026.
The Mariners 40-man roster is now at 39 players.
Knizner (KIZZ-ner), 30, has appeared in parts of 7 Major League seasons with St. Louis (2019–23), Texas (2024) and San Francisco (2025). In 33 games with the Giants in 2025, he batted .221 (17x77) with 12 runs, 1 double, 1 triple, 1 home run, 5 RBI and 7 walks and did not allow a passed ball over 234.