The Seattle Mariners are negotiating with free agent catcher Andrew Knizner, who could serve as a backup to Cal Raleigh if a deal is finalized. Knizner, who spent the latter half of the 2025 season with the Giants after being released by the Nationals, has a career batting average of .211 in nearly 1,000 MLB plate appearances. The Mariners currently lack a second catcher on their roster following the departures of Mitch Garver and Harry Ford. If signed, Knizner would likely be the No. 2 catcher, competing for depth options as Raleigh is expected to play regularly.
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Mariners in Negotiations with Andrew Knizner
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