Kirby threw three innings on Saturday night for the Rainiers and was tagged for three runs on four hits against Sacramento.

Seattle Mariners star George Kirby is progressing through his rehab and is inching closer toward making his season debut.

The Seattle Mariners right-hander records five strikeouts in second outing for Triple-A Tacoma en route to getting back to ...

Pitching for the Tacoma Rainiers on Saturday night, Kirby lasted 54 pitches. Working back from shoulder inflammation, Kirby ...

There might not be another big league pitcher who would appreciate -- and utilize -- the automated ball-strike challenge ...

Seattle Mariners starter George Kirby had another three-inning start for Triple-A Tacoma on Saturday. Plus, another pitcher on rehab made his Rainiers season debut.

The Seattle Mariners were swept over the weekend by the Toronto Blue Jays, who received key contributions from a local product in Addison Barger.

Seattle Mariners general manager Justin Hollander delivered positive updates on the recoveries of starting pitchers George ...

Randy Arozarena will bring a 33-game on-base streak in Monday's series-opening contest with the New York Yankees.

The Seattle Mariners are getting closer to seeing George Kirby back on a major league mound. According to general manager Justin Hollander, Kirby will pitch on ...

Kirby (shoulder) is scheduled to make another minor-league rehab start for Triple-A Tacoma on Saturday, Daniel Kramer of MLB.com reports. Kirby threw 42 pitches in his first rehab outing last Sunday, ...

Kirby (shoulder) completed his second minor-league rehab start with Triple-A Tacoma on Saturday, allowing three runs on four hits and two walks with five strikeouts in three innings, Daniel Kramer of ...