Keenan Robinson and the Washington Redskins lost their heads to Rashad Jennings and the New York Giants on Thursday night in Landover, Md. Larry Donnell caught three of Eli Manning’s four touchdown passes, and the Giants moved to .500 with a 45-14 victory over the Redskins. Donnell, the second-year tight end, had one career touchdown entering the game. He finished with seven catches for 54 yards. Manning was 28-for-39 for 300 yards and had a 1-yard scoring run. The Redskins fell to 1-3 under new head coach Jay Gruden, in the cellar in the NFC East.