RHP Zack Wheeler will make his second start of the spring. In his first outing, Wheeler pitched 2.0 innings and allowed one run on two hits and a walk with one strikeout.
Josh Smoker, Josh Edgin, Tom Gorzellany and Ben Rowen are scheduled to pitch in relief.
Steven Matz had been scheduled to start today's game, but Dan Warthen told reporters Wednesday that Matz's start got pushed back one day to avoid coming in to the game in relief of Wheeler.
LHP Gio Gonzalez will get the start for the Nationals. He started 32 games for Washington in 2016, during which he was 11-11 with a 4.57 ERA and 1.34 WHIP. In seven innings this spring, Gonzalez has given up one run and five hits with two walks and five strikeouts.
The Mets will take on the Cardinals at 1:10 p.m. on Thursday in Port St. Lucie, FL.
Steven Matz will take the mound for the Mets for his third start of spring training, while Adam Wainwright will make his fourth start this spring for the Cardinals.