Mariners Select RHP Michael Rucker from Triple-A Tacoma

By Mariners Baseball Communications | 2:39 PM EDT

BALTIMORE – Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the following roster moves:

The Mariners 40-man roster remains full at 40 players.

Rucker, 32, has made 22 appearances with Triple-A Tacoma this season, posting a 1.59 ERA (4 ER, 22.2 IP), 11 walks, 25 strikeouts and a 1.58 WHIP. He was a non-roster invitee to Mariners Major League Spring Training this year.

Rucker, who attended Auburn Riverside High School in Auburn, Washington, has appeared in 3 Major League seasons with the Chicago Cubs (2021-23), going 5-2 with 1 save, a 4.96 ERA (68 ER, 123.1 IP), 50 walks and 120 strikeouts in 96 appearances. He has also appeared in 9 minor league seasons in the Cubs (2016-23), Phillies (2024), Nationals (2024) and Mariners (2026) organizations. He missed the 2025 season due to injury.

González, 26, tossed 2.0 innings in last night’s game. He made his Major League debut on May 12 at Houston, tossing a scoreless inning with 1 strikeout. He has made 5 appearances with Seattle, tallying 7.2 IP with 5 walks and 5 strikeouts. In Triple-A Tacoma, he is 0-1 and a 2.49 ERA (4 ER, 21.2 IP) with 6 walks and 19 strikeouts in 18 appearances.

González was claimed off waivers by the Mariners from the Atlanta Braves on August 12, 2025. The San Francisco de Macoris, Dominican Republic native has spent time in the Pirates (2018-22), Braves (2023-25) and Mariners (2025-c) organizations, appearing in 231 minor league games (36 starts). The right-hander is 33-24 with 14 saves and a 4.04 ERA (211 ER, 470.0 IP) with 535 strikeouts and 203 walks in his minor league career.

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