
The Skins (1-2) were never really in it, trailing 12-0 after one quarter and never getting within one score of New York (1-2) the rest of the way.
Cousins threw for 316 yards on 30-of-49 passing, but both of his interceptions set up Giants touchdowns.
Washington put up 393 yards of total offense, but the Redskins dug themselves too deep a hole with two turnovers leading to 14 New York points, the punt block adding two more, and the goal-line fumble, on a fourth-down run to the goal line by Matt Jones (11 carries for 38 yards), took seven Washington points off the board.
Manning for 23-for-32 passing, with touchdown passes to Rueben Randle (7 catches for 116 yards) and Odell Beckham Jr. (7 catches for 79 yards).
Rashad Ross returned a fourth-quarter kickoff 101 yards for a Washington touchdown.