Luis Mendoza allowed just two runs on eight hits over six innings in his start Sunday against the Athletics.
Ryan Cook earned his first save of the season on Sunday against the Royals.
A.J. Griffin gave up three runs on seven hits over six innings Sunday against the Royals.
Jason Vargas threw seven scoreless innings in Sunday's win over the White Sox.
Howie Kendrick went 2-for-4 with a double and two RBI in Sunday's game against the White Sox.
Jake Peavy was charged with four earned runs on four hits over six innings in a loss Sunday against the Angels.
Scott Van Slyke left Sunday's game with an apparent leg injury.
The Cubs are expected to designate RHP Michael Bowden for assignment on Tuesday.