Mark Melancon walked one and allowed a hit in Saturday's contest with the Diamondbacks, but did not allow a run in picking up his fifth save of the season.
A.J. Burnett pitched well on Saturday, allowing just one run on five hits against the Diamondbacks.
Justin Sellers will begin a minor league rehab assignment with Triple-A Indianapolis on Saturday.
Starling Marte (hand) went 1-for-4 in his return to the Pirates lineup on Friday.
Gerrit Cole upped his record to 3-0 by limiting the Diamondbacks to one run in 7 2/3 innings on Friday.
Mark Melancon pitched a flawless ninth in a three-run game for his fourth save against the Diamondbacks.
Josh Harrison had two hits, including a two-run double, Friday against the Diamondbacks.
Jeff Locke yielded four runs over five innings in a no-decision in Thursday's victory against the Cubs.
Gregory Polanco went 3-for-4 with a stolen base, an RBI single, and an RBI double to help the Pirates take down the Cubs on Thursday.
Mark Melancon retired the Cubs in order to pick up his third save of the season in Thursday's win over the Cubs.
Starling Marte (hand) is not in the Pirates' starting lineup Thursday against the Cubs.
Jordy Mercer (ribs) is in the Pirates' lineup Thursday.
Andrew McCutchen is out of the Pirates' starting lineup Thursday afternoon against the Cubs.
Gregory Polanco's solo home run was the deciding factor as the Pirates topped the Cubs 4-3 on Wednesday.
Tony Watson tossed a pair of scoreless innings for his first save of the season in Wednesday's win versus the Cubs.