Cam Jurgens sat hunched over at his locker stall. He winced a little when he finally rose. Back injuries are tricky, as anyone who deals with chronic pain there knows. But the Eagles center’s postgame walk on egg shells was enough visual proof that Jurgens played at far less than 100 percent.

Philadelphia Eagles Pro Bowl center Cam Jurgens did not start the NFC championship game on Sunday as he battled a back injury, but he did finish it. After it became clear in the second half that Jurgens's replacement,