CHICAGO — New York Mets closer Edwin Díaz is facing a 10-game suspension after being ejected from the team’s 5-2 win over the Chicago Cubs on Sunday night.

The right-hander came on in the ninth to try to seal the victory for the Mets, but was tossed by third-base umpire Vic Carapazza before throwing a pitch after an inspection of his glove and throwing hand.

Both Díaz and manager Carlos Mendoza said the umpire said he thought the pitcher had too much of a combination of rosin, sweat…