RHP Colin Holderman
: Right knee sprain
: April 6
: TBD
: Holderman experienced discomfort in his knee on his penultimate pitch in his outing April 5. He is throwing out to 120 feet and should start throwing off a slope this weekend. (updated April 9)

RHP Jared Jones
: Right UCL sprain
March 31 (60-day IL, retroactive to March 24)
: TBD
Reported discomfort after a March 16 bullpen session. Suffered no structural damage and will not need surgery, but will not pick up a baseball for six weeks. Has begun a two-handed plyo program. (updated April 9) More >>

2B Nick Gonzales
Non-displaced fracture of left ankle
March 28 (10-day IL)
TBD
Wearing a boot but is now partially weight bearing, and has been able to play catch in a seated position. Will undergo imaging in mid-April. If that shows healing as anticipated, his rehab can progress. (updated April 9)

1B Spencer Horwitz
: Right wrist
March 27 (10-day IL, retroactive to March 24)
: Early season
Progressed to caged batting practice, throwing and fielding ground balls. Senior director of sports medicine Todd Tomczyk says the hope is that Horwitz can begin a rehab assignment later in April or in early May. (updated April 9) More >>

RHP Johan Oviedo
Right UCL surgery/right lat
March 3 (60-day IL)
TBD
: Will be re-examined in Pittsburgh in about a week to assess throwing status. Has been doing light plyometric activities at the club's Spring Training complex in Bradenton, Fla. (updated April 9) More >>

RHP Dauri Moreta
Injury: Right UCL surgery
IL date: Feb. 16 (60-day IL)
Expected return: Midseason
Status: Scheduled to throw live batting practice on April 4 at the club's Spring Training complex in Bradenton, Fla. Will be his first live BP since undergoing Tommy John surgery. (updated April 2)

April 11
• RHP Kyle Nicolas: Recalled from Triple-A Indianapolis