Drafted No. 34 overall by Kansas City in 2013, he came to the A's along with right-hander Aaron Brooks in exchange for the versatile Ben Zobrist. Manaea posted a 1-1 record with a 3.69 ERA in seven combined starts across three levels for the Royals this year.
His outing marked his first win in three tries at the Double-A level and was the deepest he's gone in any game since August of last season.
Alex M. Smith is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.