Rangers signed OF Scott Cousins to a minor league contract.
Robbie Ross got the win with 7 2/3 innings of shutout ball as the Rangers shut out the Mariners 5-0 on Tuesday.
Elvis Andrus went 2-for-4 with a double and a run scored in Tuesday's win over the Mariners.
Kevin Kouzmanoff went 3-for-4 with a home run and three runs batted in as the Rangers beat the Mariners on Tuesday.
Prince Fielder hit his first home run of the regular season, finishing 1-for-3 in Tuesday's win over the Mariners.
Joe Saunders (ankle) threw a successful bullpen session Monday.
Colby Lewis lost in his return to the majors after allowing four runs -- three earned -- in 5 1/3 innings Monday against the Mariners.
J.P. Arencibia went 0-for-2, grounded into a double play and committed his second error of the year before being removed for a pinch-hitter Monday against the Mariners.
Yu Darvish said Monday that he'll be fine for his scheduled start Wednesday despite a cut on his right thumb.
Rangers purchased the contract of RHP Colby Lewis from Triple-A Round Rock.
Rangers designated RHP Daniel McCutchen for assignment.
Martin Perez held the Astros scoreless for eight innings Sunday, getting the win in the Rangers' 1-0 victory.
Josh Wilson scored the Rangers' lone run in a win over the Astros on Sunday.
Alexi Ogando pitched a perfect ninth inning against the Astros to earn his first save of the season Sunday.
Kevin Kouzmanoff went 2-for-3 with a double in Sunday's win over the Astros.