Vance Worley has been moved to the bullpen.
Starling Marte (elbow) struck out as a pinch-hitter in Sunday's series finale with the Cubs.
Neil Walker went 3-for-4 with a home run, two RBI and two runs scored in the Pirates' 7-3 win over the Cubs on Sunday.
Josh Harrison went 2-for-5 with a two-run double and a run scored against the Cubs on Sunday.
Gregory Polanco went 2-for-3 with an RBI and a run scored in Sunday's win over the Cubs.
Edinson Volquez gave up three runs -- one earned -- over seven innings in Sunday's win over the Cubs.
Charlie Morton (sports hernia) will rejoin the Pirates' rotation on Tuesday against the Red Sox.
Jeff Locke yielded three earned runs in 5 1/3 innings Saturday as the Pirates fell to the Cubs.
Starling Marte (elbow) remains out of the Pirates' starting lineup Saturday versus the Cubs.
Gerrit Cole improved to 9-5 on the year after allowing three runs over six innings Friday against the Cubs.
Josh Harrison was 3-for-5 with a walk and two runs scored Friday against the Cubs.
Jordy Mercer went 3-for-5 with three RBI in Friday's 7-3 win over the Cubs.
Starling Marte has been diagnosed with a left elbow contusion.
Josh Harrison, attempting to win the National League batting title, went 0-for-5 in Thursday's 4-1 victory over the Phillies.
Mark Melancon was asked to put out a fire in the bottom of the ninth and completed the task, earning his 29th save as the Pirates downed the Phillies on Thursday.