Mets pitcher Steven Matz woke up with pain in the right side of his back Tuesday and may have his next start pushed back a day as a result.Matz torea lat muscle on his left side Wilson Ramos Jersey earlier this season and was forced to mi s six weeks. The 24-year-old showed little concern about the new discomfort.MORE: | Jose Alvarado Jersey Its one of those things where you wake up and I just slept wrong or something, so Im just being precautionary about it, Matz said,..Mets manager Terry Collins has yet to name Matz as Trevor Richards Jersey his No. 4 starter in the team's NLDS rotation. Jacob deGrom, Matt Harvey and Noah Syndergaard all figure to start, but Collins is expected to wait until this weekend to announce the final spot.Matz Brad Miller Jersey , if healthy, remains the favoriteover veteran Bartolo Colon, mostly because the Mets are reluctant to use Matz in the bullpen because of his injury history, the Post noted.I think were fairly certain on three (starters), and well figure out the fourth as we get closer to the Yonny Chirinos Jersey playoffs, Mets general manager Sandy Alderson said. Anything we decide now is tentative, anyway, based on what happens, and this is a good example of how something can happen.