The Giants will close the three-game set in St. Louis with southpaw Andrew Suarez (7-11, 4.24 ERA) on the mound to face Cardinals righty Miles Mikolas (16-4, 3.01). The lefty, a key component to the Giants' young core, went a season-high 7 2/3 innings against the Padres on Sep. 18. First pitch is scheduled for 11:15 a.m. PT.