Seattle Mariners

The Seattle Mariners have acquired right-hander Diego Castillo from the Tampa Bay Rays for reliever JT Chargois and a minor league infielder.

Seattle pitcher Héctor Santiago was suspended for 80 games by Major League Baseball following a positive test for external testosterone.

Yuli Gurriel singled, doubled and homered to drive in three runs and lead the Houston Astros over the Seattle Mariners 11-4 on Wednesday.

Abraham Toro homered for Seattle against the team that traded him across the diamond during batting practice, but the Houston Astros held off a ninth-inning rally to beat the Mariners 8-6.

Dylan Moore hit a grand slam in the eighth inning to lift the Seattle Mariners to an 11-8 comeback win against the Houston Astros.

With the MLB trade deadline looming and the Seattle Mariners on the cusp of a playoff birth -- despite being in the midst of a "rebuilding" season -- here are 6 players they should consider unloading to stay the course and look towards long-term success.

Kyle Seager hit a two-run single and Marco Gonzales won his second straight decision, as the Mariners inched closer in the AL wild-card chase with a 4-3 win over the Athletics.

Sean Manaea struck out a career-high 13 in seven strong innings, Ramón Laureano drove in a pair of runs, and the Oakland Athletics beat the Seattle Mariners in the opener of a 10-game road trip.

Austin Gomber pitched effectively for six innings in his return from the injured list, as the Colorado Rockies beat the Seattle Mariners 6-3.

Marco Gonzales earned his first win in three months and Dylan Moore homered to lead the Seattle Mariners over the Colorado Rockies 6-4.