The Mets will open the second half by starting Jacob deGrom on Friday, Seth Lugo on Saturday and Steven Matz on Sunday when they face the Colorado Rockies next weekend.
DeGrom, who is 9-3 with a 3.65 ERA, has won each of hs last five starts, recording a 1.62 ERA and striking out 36 batters in 39 innings.
Lugo is 3-2 with a 4.59 ERA in six appearances (five starts) since he made his season debut in mid-June.
Matz, who allowed five runs and seven hits in 4 1/3 innings on Sunday, is 2-2 with a 3.05 ERA in six starts this season.
Jon Gray will start Friday for the Rockies, Tyler Chatwood on Saturday and Jeff Hoffman on Sunday.
New York has not named starters for the first two games of its series against the St. Louis Cardinals.