Perdomo (knee) has started to take live at-bats, hit in the cages and field ground balls, Alex Weiner of Arizona Sports reports.

Diamondbacks manager Torey Lovullo said Monday that Thomas received a platelet-rich plasma injection for his left hamstring, Nick Piecoro of The Arizona Republic reports.

Rodriguez (shoulder) began a throwing program out to 45 feet Friday, the Associated Press reports.

Nelson (shoulder) underwent thoracic outlet surgery Monday, Steve Gilbert of MLB.com reports.

Lawlar (thumb) had a five-week postoperative follow-up last week and has been cleared to begin a strengthening program, Alex Weiner of Arizona Sports reports.

Arizona manager Torey Lovullo said after Tuesday's 14-1 win over the Cardinals that he expects Kelly (shoulder) to miss at least one month after landing on the 15-day injured list, Theo Mackie of The Arizona Republic reports. "We're not looking in terms of weeks as what we had hoped for," Lovullo said of Kelly's timetable for a return from a teres major strain in his right shoulder. "So I think the next step up is a month, more than that."

Frias (shoulder) will begin a throwing program this week, Theo Mackie of The Arizona Republic reports.

Diamondbacks manager Torey Lovullo said Monday that Castro (shoulder) will begin his throwing program this week, Theo Mackie of The Arizona Republic reports.

Troy will miss 4-to-6 weeks at High-A Hillsboro with a left hamstring strain, Jesse Friedman of GoPHNX.com reports.

Barrosa was optioned to Triple-A Reno on Wednesday.

Castillo is day-to-day after tests on his left hand came back negative, Theo Mackie of The Arizona Republic reports.

Diamondbacks manager Torey Lovullo said Thursday that he does not expect Jameson (elbow) to pitch this season, Alex Weiner of ArizonaSports.com reports.