The Seattle Mariners will celebrate the contributions of legendary lefty Randy Johnson by retiring his No. 51 on May 2, 2026, the club announced on Thursday. The celebration will take place in a pre-game ceremony at T-Mobile Park in Seattle.

The "Big Unit" joined the Mariners via trade with the Montreal Expos in 1989. He went on to spend parts of 10 seasons in Seattle, and in that decade of work the 6-foot-10 Johnson went 130-74 with a WAR of 39.0. Johnson won the first of his five Cy Young awards as a Mariner in 1995. The M's traded him to the Astros in a 1998 deadline deal, and Johnson went on to enjoy a legendary run with the Diamondbacks in his mid- to late-30s.

Johnson retired following the 2009 season with a WAR of 103.5; 303 wins; 4,875 strikeouts; and 22 seasons in MLB

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