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

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

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

Pitching for the Triple-A Tacoma Rainiers on Saturday night, Seattle Mariners starting pitcher George Kirby lasted three innings, throwing 54 pitches, an improv ...

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.

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

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, ...

The Mariners are continuing to progress in the direction that they were hopeful for on their two sidelined All-Star starting ...

Mariners right-hander George Kirby, who was shut down in early March with shoulder inflammation, made his first rehab start ...

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 ...

Working his way back from a shoulder issue that has delayed his season debut, Seattle Mariners right-hander George Kirby is ...