New York Giants -3.5pts won the game, which was not unexpected. The teams entered the game evenly matched; New York Giants -3.5pts had a 46% chance to win before the game started
The closest Washington +3.5pts ever got was at the very beginning of the game, when they had a 54% chance of winning, but New York Giants -3.5pts took control of the game from there and went on to earn the victory.