Manaea's contract was selected from Triple-A Nashville on Friday.
EDGE Analysis
Manaea will receive the start in Friday's game against the Astros after posting a 1.50 ERA with 21 strikeouts at the Triple-A level this season. It is unknown how long Manaea will stay with the A's during this stint, but manager Bob Melvin has not ruled out an extended stay for the 24-year-old.