Rangers released OF Justin Ruggiano.
Joey Gallo hit his first home run of the season in Tuesday's loss to the Athletics.
Nick Martinez allowed five runs, including three home runs, over four innings in Tuesday's loss to the Athletics.
Joey Gallo is starting at first base and batting sixth on Tuesday night against the Athletics.
Rangers optioned OF Jared Hoying to Triple-A Round Rock.
Rangers recalled INF/OF Joey Gallo from Triple-A Round Rock.
Rangers recalled RHP Nick Martinez from Triple-A Round Rock.
Rangers designated RHP Kyle Lohse for assignment.
Adrian Beltre went 4-for-5 with two homers, the second of which was a walkoff blast off Ryan Madson in the bottom of the ninth, in the Rangers' 7-6 defeat of the A's on Monday.
The Rangers will call up Nick Martinez to start Tuesday against the Athletics.
The Rangers expect Prince Fielder to undergo season-ending neck surgery later this week.
Sam Dyson picked up his 20th save of the season Sunday in the Rangers' 2-1 win over the Royals.
A.J. Griffin limited the Royals to one run over five innings Sunday in a no-decision.
Drew Stubbs (toe) is expected to begin a rehab assignment with Triple-A Round Rock on Monday.
Rangers signed LHP Craig Breslow to a minor league contract.