"You've gotta be careful," MLB Network insider Jon Morosi said how the Seattle Mariners have been using All-Star closer Andrés Muñoz.

H ello friends! We’ve got to get through another Mariners off-day before the Great Toronto Invasion kicks off tomorrow.

Leody Taveras hit a game-tying two-out single in the eighth inning of his debut with Seattle before scoring the go-ahead run ...

Andrés Muñoz escapes the bases-loaded, no out jam by striking out Lawrence Butler, Brent Rooker and Tyler Soderstrom in the ...

The Seattle Mariners lost against the Athletics 7-6 in 11 innings on Monday night in West Sacramento, Calif. With the loss, Seattle is now 20-14 on the season.

Andres Munoz is currently untouchable. The Seattle Mariners closer can look up at the scoreboard and see an ERA of 0.00. And ...

Mariners’ closer Andrés Muñoz has been named the American League Reliever of the Month for April after his flawless start to ...

Munoz earned the save in Wednesday's 6-5 win over the A's, allowing one hit while striking out two in a scoreless ninth inning.

Muñoz, who brings his cat Matilda on road trips, is partnering with Seattle Area Feline Rescue to help raise money and ...

Munoz allowed an unearned run on a hit and walk while striking out three over one inning to take a blown save in Monday's 7-6 extra-innings loss to the Athletics.

The Seattle Mariners All-Star closer Andres Munoz has been nearly perfect this season. Through 16 appearances this season, Munoz has yet to give up a run this y ...

Major League Baseball announced Friday that Seattle Mariners pitcher Andrés Muñoz has been named the American League Reliever ...