Mitchell suffered a right forearm contusion Sunday against Atlanta, Todd Rosiak of the Milwaukee Journal Sentinel reports.
Ramirez went 3-for-6 with a home run, two additional runs scored and five total RBI in Sunday's 19-2 win over the Mariners.
Conforto went 1-for-2 with a solo home run in Sunday's 19-2 win over the Mariners.
Crow-Armstrong went 2-for-4 with a walk, a home run, an additional run scored and three total RBI in Sunday's 19-2 win over the Mariners. He also stole a base.
Mitchell (arm) exited Sunday's contest against Atlanta in the fifth inning after being hit by a pitch, Adam McCalvy of MLB.com reports.
Happ went 2-for-4 with a walk, a home run, an additional run scored and five total RBI in Sunday's 19-2 win over the Mariners.
The Brewers recalled Naylor from Triple-A Nashville to serve as the 27th player for Sunday's Little League Classic against Atlanta, Todd Rosiak of the Milwaukee Journal Sentinel reports.
Kelly will start at catcher and bat ninth in Sunday's game against the Mariners.
Amaya is out of the lineup for Sunday's game against the Mariners.
Bregman went 1-for-4 with a solo home run in Saturday's 5-4 loss to the Mariners.
