Nationals released 1B/OF Kila Ka'aihue.
Yasmani Grandal (concussion) will serve as the designated hitter on his upcoming rehab stint with Triple-A Oklahoma City.
Justin Upton had a monster game against the Dodgers on Sunday, hitting a first-inning grand slam, doubling and driving in six.
Josh Hamilton (shoulder) will start in left field for the Rangers on Monday.
Asdrubal Cabrera was forced to leave Sunday's game against the Athletics with a mild groin strain.
Alex Guerrero hit a two-run homer in Sunday's big loss to the Padres.
James Loney sustained a sprained finger in Sunday's loss to the Athletics.
James Shields pitched well in a win over the Dodgers on Sunday, striking out seven and allowing three runs over seven innings.
Carlos Frias was hammered in a loss to the Padres on Sunday, serving up 10 runs on 12 hits over four innings.
Paul Goldschmidt went 2-for-3 with a two-run homer and three RBI in Sunday's win over the Cubs.
Chris Coughlan went 1-for-2 with a two-run homer in Sunday's loss to the Diamondbacks.
Steven Souza has been diagnosed with a sprained left wrist, and was spotted wearing a brace after Sunday's game.
Jeremy Hellickson allowed three runs in 6 2/3 innings during Sunday's win over the Cubs.
Jake Peavy (back) is scheduled to make a minor league rehab start with Triple-A Sacramento on Wednesday.
Jason Hammel allowed four runs in seven innings during Sunday's loss to the Diamondbacks.