Tests on Matz's back were returned negative, Anthony DiComo of MLB.com reports. "It looks like he's going to be just fine," manager Terry Collins said.

EDGE Analysis

Muscle spasms in Matz's side/back area will prevent him from taking the hill Thursday, but the Mets are hoping to use him at some point this weekend. Matz may need to prove his health on the field to secure his spot on the NLDS roster.