Gregerson entered in the ninth inning with a two-run lead and only allowed one base runner before recording the save. In addition to walking one batter, Gregerson also struck out a batter.
Gregerson has yet to surrender a run in seven innings of work this season and is a perfect 3 for 3 in save opportunities.
Valbuena hit his fourth home run of the season when he connected on a solo home run off Hisashi Iwakuma during the first inning. During the eighth inning, Valbuena hit another solo home run off Danny Farquhar for his fifth homer of the season. He is now batting .244 on the season.
Cruz was 2 of 5 during the game, including a double in the fifth inning, which drove in Robinson Cano. He also struck out once. Cruz is not batting .358 on the season.
Wojciechowski surrendered four runs on eight hits over four innings of work Monday. He also struck out six batters, while walking two in his second start of the season. Wojciechowski also failed to go past the fourth inning in his first start of the season. His ERA now stands at 6.00.
His next start is expected to be Saturday at Oakland.
Iwakuma surrendered four runs on five hits over 5 1/2 innings. He struck out three and walked three on 71 pitches. He has given up four runs in each of his three starts this season.
Iwakuma's troubles began in the first inning when he gave up a solo home run to Luis Valbuena. He also surrendered a solo shot to Colby Rasmus in the fifth inning and his ERA is now 6.61. Felix Hernandez remains the only Mariners starter with a win this season.
Iwakuma's next expected start will be Sunday against the Twins.