The New York Giants fear Sterling Shepard suffered a serious left knee injury, according to multiple sources.
The wide receiver underwent initial tests following Monday night\'s game against the Dallas Cowboys.
The non-contact injury happened in the final minutes of the Giants\' 23-16 loss.
Shepard leads the Giants with 154 yards receiving yards through three games. He\'s also played the most snaps (157) of all the team\'s receivers.