Mario Manningham suffered a concussion and did not pass his baseline concussion tests on the Giants sideline at the end of the first half of a win over the Rams on Monday night. Manningham will face further tests this week and coach Tom Coughlin hopes he will be available to play against the Eagles next Sunday. "Evidently it was right at the end of the first half," Coughlin said. "He bobbled that ball, the big play ball. I guess when he came in he was kind of dizzy at that point in time." Domenik Hixon left the game after hurting his calf on the same leg that underwent ACL surgery last season.