Answer based on context:

The Giants started slow after a Larry Donnell fumble on the first play from scrimmage, allowing the Rams to score 10 points in their first two drives. The defense dominated the game with Landon Collins recording two interceptions, one for a touchdown. Dominique Rodgers-Cromartie also recorded two interceptions, including the game-winning interception. The defense recorded three sacks and four interceptions in the win, improving the Giants' record to 4-3.

Which team fumbled the ball on the very first position of the game?
Giants