BALTIMORE -- The Baltimore Orioles have reinstated center fielder Cedric Mullins and infielder Jordan Westburg from the 10-day injured list.
Baltimore on Tuesday also optioned outfielder Heston Kjerstad to Triple-A Norfolk and designated infielder Emmanuel Rivera for assignment.
In addition, the Orioles placed utility player Jorge Mateo on the 10-day injured list with elbow inflammation. The move is retroactive to June 7.
Mateo was replaced on the roster by infielder Luis Vázquez, who was recalled from Norfolk.
Mullins returns after being sidelined since May 28 with a strained right hamstring. He's batting .232 with 10 homers and 31 RBI.
Westburg has been out with a left hamstring strain since late April. He's batting .217 in 23 games.
Kjerstad is hitting .192 with 45 strikeouts in 54 games. Rivera has a .232 batting average in 25 games.
