J.J. Wilcox suffers head injury

EAST RUTHERFORD, N.J. -- After missing three games with a sprained knee, Cowboys safety J.J. Wilcox left Sunday's game against the New York Giants with a head injury in the first quarter.

Wilcox was undergoing concussion tests along the sideline.

Wilcox, a rookie, was replaced by Danny McCray in the lineup.

Also, Cowboys cornerback Orlando Scandrick (right arm) and wide receiver Dez Bryant (right arm) were injured but each returned to the game.