The Seattle Mariners optioned Luis F. Castillo to Triple-A after his start Wednesday, and it appears they could roll with a four-man rotation for a while.

The Mariners will take on the Rangers in the final game of the three-game series. Currently, 7-8 on the season and on a three-game win streak. Ahead of the series finale, the Mariners have made some ...

The Seattle Mariners could use bullpen reinforcements, and they've added a potential option with MLB experience in right-hander Zach Pop.

In addition to the starting duo, the M's also have another Julio Rodríguez in the organization "We are duplicating names left ...

Brayan Bello could rejoin the rotation as early as Tuesday against the Mariners at Fenway Park. The 25-year-old righthander ...

The Mariners are again looking around the infield market after a series of injuries has thinned their roster. Read more at ...

The Mariners optioned struggling setup man Gregory Santos to Triple-A in an effort to get him back on track. Read more at MLB ...

The first batch of “torpedo” bats arrived in the Mariners clubhouse. Here are the first impressions from Mariners hitters.

The Mariners begin a road trip with a defeat in Cincinnati, snapping Seattle's four-game winning streak despite two home runs ...

Y ou’ll be hard-pressed to find a sillier game than yesterday’s 10-9 defeat to the Giants, with several lead changes, the M’s ...

Teams used to hold players in the minors to manipulate their service time. The prospect promotion incentive has caused that ...