The Seattle Mariners lost relief pitcher Trent Thornton to a scary injury against the Texas Rangers, and he hinted at the severity of it.

Josh Hader didn't pitch for the Astros on Monday night, which is a major development in the American League West race.

The Seattle Mariners received a plethora of injury updates on Tuesday, including news on starting pitcher Bryce Miller.

The Mariners made a flurry of roster and lineup moves on Friday before their series opener against the New York Mets, most ...

Seattle reliever Trent Thornton was injured while coming off the mound on a ground ball in the ninth inning Thursday night ...

The Seattle Mariners beat the Texas Rangers 6-0 on Thursday night at T-Mobile Park, kicking off a vital homestand in a big way. With the win, the M's are now 58-52 and just 4.5 games back of the ...

Seattle Mariners infielder Ben Williamson, currently playing at Triple-A Tacoma, is still dealing with a nagging back injury, per Rainiers broadcaster Andy Helw ...

Although he is off to a hot start over his first 13 games with Seattle, Naylor’s momentum may be briefly halted. During ...

Speaking before Thursday's series opener with the Texas Rangers, Seattle Mariners president of baseball operations Jerry Dipoto provided some excellent news on ...

Back in a batting cage on the field for the first time in months, Victor Robles put together an eye-opening session as he ...

Hader, 31, has pitched just three times in August, with his most recent appearance (on Aug. 8) doubling as his seventh this ...