Giants linebacker Mathias Kiwanuka watched from the sideline Sunday as his teammates registered 10 sacks in a 17-3 pounding of the Chicago Bears. Kiwanuka, who was ruled out on Friday with a bulging disc in his neck, has not been given a timetable for his return but was expected to get a second opinion from a specialist on Monday, the Newark Star-Ledger reported.
The Giants don't know when the injury happened. Kiwanuka did not miss a practice this week in preparation for Sunday night's game but complained about stiffness in his neck on Thursday and Friday.
Retired linebacker Antonio Pierce had a bulging disc in his neck last October. When it didn't improve, Pierce was placed on injured reserve.
"I talked to Antonio and I talked to a lot of other guys," Kiwanuka said, according to the Star-Ledger. "The thing with these injuries is a lot of the guys around the league have them and, in my opinion, just like the concussion talk is bigger now, spine talk will be a lot bigger in the future."
In other injury news, Pro Bowl center Shaun O'Hara is finally seeing some progress with his injured left ankle.
After receiving a cortisone shot on Thursday, O'Hara is walking with less discomfort.
Doctors are now treating the 33-year-old for bursitis in the ankle instead of tendinitis.
O'Hara, who missed the last two games, hopes to return to practice on Wednesday when the Giants start preparations for Sunday's game at Houston.
Fullback Madison Hedgecock strained a hamstring in the game.
The Associated Press contributed to this report.