Beckham hit a pinch-hit home run in the eighth inning, helping the Seattle Mariners snap a four-game losing streak with a 5-4 win over the St. Louis Cardinals.
Yordan Alvarez drove in three runs to back up seven strong innings by Gerrit Cole and help the Astros to a 6-1 win over the Mariners completing a three-game sweep.
Daniel Vogelbach hit a two-run homer and the Mariners had 12 hits in an 8-3 win over the Brewers for their first interleague win in five tries this season.
Merrifield had two homers and a career-high six RBIs, Bailey worked into the eighth inning with 121 pitches and the Royals beat the Seattle Mariners 9-0.
Polanco scored on a wild pitch and Marwin Gonzalez hit the go-ahead RBI in the eighth inning , giving the Twins a 6-5 victory over the slumping Seattle Mariners.
Rookie Myles Straw led off the 14th inning with a triple and scored on Yuli Gurriel's sacrifice fly, and the Astros outlasted the Mariners 8-7 Thursday night.
Edwin Encarnacion capped Seattle's sixth inning with a three-run homer, Mike Leake pitched his first complete game since 2015 and the Mariners routed Houston Astros 14-1.