Munoz gave up a hit and struck out three over 1.2 scoreless innings Wednesday to record his seventh save of the season in a 4-2 win over the Royals.
Munoz (2-2) got the win against the Astros on Sunday, firing 1.1 perfect innings during which he recorded a strikeout.
Munoz completed a five-out save in Tuesday's 3-2 win over Atlanta, allowing a hit and a walk while striking out three in the process.
Munoz earned the save over the Diamondbacks on Saturday, pitching a perfect ninth inning while striking out one.
Munoz (1-2) suffered a blown save and picked up the loss after he failed to record an out while allowing two runs (one earned) on three hits in Seattle's 2-1 extra-inning defeat to the Rockies in Game 1 of Sunday's doubleheader.
Munoz recorded his third hold in a win over the Reds on Tuesday, firing 1.1 scoreless innings during which he allowed a hit and a walk while recording three strikeouts.
Munoz (1-1) picked up the win in an extra-inning victory over the Blue Jays on Wednesday, firing 1.1 scoreless innings during which he allowed a hit, hit a batter and issued a walk.
Munoz won't be available to pitch Sunday against the Brewers after throwing in the first two games of the series, Ryan Divish of The Seattle Times reports.
Munoz was credited with his first hold in a win over the Guardians on Monday, allowing an earned run on a solo home run while recording a strikeout in the eighth inning.
Munoz picked up the save in Wednesday's 3-2 victory over the Angels. He allowed one hit while striking out two in a scoreless inning.