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

Arizona manager Torey Lovullo said Thomas (hamstring) will seek a second and third opinion on his MRI results, Steve Gilbert of MLB.com reports.

Diamondbacks manager Torey Lovullo said Tuesday that Thomas is headed back to Phoenix to be reevaluated after feeling renewed discomfort in his left hamstring while on a rehab assignment, Nick Piecoro of The Arizona Republic reports.

Thomas (hamstring) served as the designated hitter and went 1-for-4 with a double, two RBI and a run scored for Triple-A Reno on Sunday.

Thomas (hamstring) served as the designated hitter and went 1-for-4 with two RBI for Triple-A Reno on Friday.

Thomas (hamstring) will start as the designated hitter for Triple-A Reno on Friday, Alex Weiner of ArizonaSports.com reports.

Thomas (hamstring) told reporters Friday that he has started facing live pitching and expects to start running bases next week, Alex Weiner of ArizonaSports.com reports.

Thomas was placed on the 10-day injured list by the Diamondbacks on Monday with a strained left hamstring, Alex Weiner of ArizonaSports.com reports.

Thomas (hamstring) is absent from the lineup for Monday's contest against the Yankees.

Thomas exited Sunday's series finale with the Rockies due to left hamstring tightness, Theo Mackie of The Arizona Republic reports.