The Pirates are hoping for a return by Phillip Evans (hamstring) before the end of May.
Colin Moran (groin) fielded ground balls Saturday but isn't expected back until the latter part of May.
Adam Frazier went 2-for-4 with a walk in Sunday's 4-1 loss to the Giants.
Kevin Newman went 0-for-3 with a walk and his first stolen base of the season in Sunday's 4-1 loss to San Francisco.
GM Ben Cherington said Sunday that Ke'Bryan Hayes (wrist/hand) is expected to begin a rehab assignment within "the next several days," Jason Mackey of the Pittsburgh Post-Gazette reports.
Jacob Stallings was removed from Sunday's game against the Giants with a bruised left quadriceps, Mike Persak of the Pittsburgh Post-Gazette reports.
Gregory Polanco is out of the lineup Sunday against the Giants.
Bryan Reynolds went 3-for-4 with a double and two runs scored in Saturday's 8-6 win over the Giants.
Jacob Stallings went 3-for-5 with a double, a home run and four RBI in Saturday's 8-6 win over the Giants.
Adam Frazier went 4-for-5 with a triple, a double, an RBI and two runs scored in Friday's 3-2 win over the Giants.
Erik Gonzalez is not starting Friday against the Giants.
Jacob Stallings is not in the lineup for Friday's game against the Giants.
Tyler Anderson was originally projected to start Friday, but he will now start Saturday instead, Mike Persak of the Pittsburgh Post-Gazette reports.
Bryan Reynolds (lower body) is starting Thursday's game against the Giants.
Phillip Evans was placed on the 10-day injured list with a left hamstring strain Thursday, Alex Stumpf of DKPittsburghSports.com reports.
Gregory Polanco went 1-for-4 with an RBI single in a 5-1 loss to the Reds on Wednesday.
Phillip Evans exited Wednesday's game against the Reds due to left hamstring discomfort, Jake Crouse of MLB.com reports.
Phillip Evans left Wednesday's game against the Reds in the bottom of the fifth inning with an apparent injury, Jake Crouse of MLB.com reports.
Colin Moran (groin) resumed some baseball activities Wednesday, Kevin Gorman of TribLive.com reports.
Pirates sports medicine director Todd Tomczyk said that Bryan Reynolds is out of the lineup Wednesday against the Reds due to lower-body soreness, Kevin Gorman of TribLive.com reports.