The right-hander signed a four-year, $48 million contract in the offseason, one of two additions to the Dodgers starting rotation in December. The other, Brett Anderson, starts Monday in Scottsdale against the Giants.
Mike Fiers starts for the Brewers.
Carl Crawford, who fouled a ball off his right shin on Saturday, is out of the lineup on Sunday but that was planned, having played in games the previous two days. His swelling subsided overnight and he is feeling better this morning.
Chris Heisey gets the start in left field after seeing time in right field and center field in games in the last week.
Enrique Hernandez leads off for the Dodgers and starts at third base, after seeing time at both second base and shortstop so far in camp.
Alex Guerrero, 6-for-9 with a home run in his four games so far, is slated to play third base in reserve on Sunday, his third game at the position. Sunday will mark Guerrero's fifth game in five days.
The five-gamers club after Sunday will also include O`Koyea Dickson, slated to play first base in reserve, starting designated hitter Scott Schebler, shortstop Corey Seager, right fielder Kyle Jensen, and Darnell Sweeney, playing center field on Sunday.
Other Dodgers in reserve on Sunday include catcher Chris O`Brien, along with Erisbel Arruebarrena at second base and Matt Carson in left field.
Other Dodgers scheduled to pitch after McCarthy are Adam Liberatore, Sergio Santos, Josh Ravin and Juan Nicasio.