Akin recorded the final two outs of Wednesday's 9-7 win over the Yankees to record his first save of the season.
The Orioles activated Akin from the paternity list Friday, Jake Rill of MLB.com reports.
The Orioles placed Akin on the paternity list Tuesday, Roch Kubatko of MASNSports.com reports.
The Orioles recalled Akin from Triple-A Norfolk on Wednesday.
The Orioles optioned Akin to Triple-A Norfolk on Thursday.
Akin (2-0) allowed two runs on two hits and struck out one over 1.1 innings, picking up a blown save but earning the win and over Atlanta on Wednesday.
Akin has struck out four and walked one without allowing a hit or a run over four innings across three Grapefruit League games.
Akin (back) was transferred from the 15-day injured list to the 60-day IL on Wednesday, Rich Dubroff of BaltimoreBaseball.com reports.
Akin (back) joined up with Triple-A Norfolk on Thursday to continue his minor-league rehab assignment, Roch Kubatko of MASNSports.com reports.
Akin (back) reported to the Orioles' rookie-level Florida Complex League affiliate Monday to begin a rehab assignment.