The Toronto Blue Jays designated left-handed pitcher Brian Tallet for assignment one day after he blew a save against the Baltimore Orioles.
The move came Wednesday to create roster space for righty Carlos Villanueva, who returned from the 15-day disabled list.
The 27-year-old had been out with a right forearm strain since Aug. 4.
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Villanueva has a 6-3 record and 4.24 earned-run average in 26 games for the Blue Jays this season.
On Tuesday night, Tallet allowed a walk-off single by Orioles second baseman Ryan Adams in the 10th inning of a 6-5 loss.
That was his first appearance since sitting out 10 weeks with a right ribcage injury that was brought on by a hard sneeze.