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Mariners Sign Rob Refsnyder to One-Year Deal to Target Left-Handed Pitching

Seattle adds a right-handed specialist whose elite on-base record versus left-handers fits a DH/corner-outfield assignment.

Overview

  • Seattle finalized a one-year major-league contract with Rob Refsnyder, with multiple outlets reporting the deal at $6.25 million plus $250,000 in incentives.
  • General manager Justin Hollander said Refsnyder has been among the most productive hitters against left-handers over the past four seasons and will add lineup balance.
  • Since 2022, Refsnyder’s .407 on-base percentage versus lefties ranks third in MLB, and he posted a .302 average and .959 OPS against southpaws in 2025.
  • He is expected to serve as a designated hitter against left-handed pitching and provide corner-outfield depth, with only occasional first-base duty given his limited experience there.
  • The 10-year veteran rebuilt his career in Boston, hitting .276/.364/.440 over 309 games from 2022–25, and his addition fills a 40-man roster spot for Seattle.