Steven Matz toes the rubber as Mets face Pirates, Saturday at 7:10 p.m.The lefty has been on a pitch count since returning to rotation7/27/2019, 9:38 PMJul 3, 2019; New York City, NY, USA; New York Mets pitcher Steven Matz (32) pitches in relief against the New York Yankees during the seventh inning at Citi Field. Mandatory Credit: Andy Marlin-USA TODAY Sports / Andy Marlin