Five things to keep an eye on if Panthers' DE Jared Allen doesn't play

CHARLOTTE, N.C. -- Carolina Panthers defensive end Jared Allen is doubtful for Sunday’s NFC Championship Game against Arizona with a fractured foot.

What happens if he can’t play? Here are five things to know as the top-seeded Panthers (16-1) attempt to reach the Super Bowl for the first time since the 2003 season:

Jared Allen had played his best football of the season over the past two games.The pressure Allen created will be missed: The NFL’s active sack leader with 136 hasn’t taken down a quarterback since Carolina beat Indianapolis on Nov. 2. He has only two sacks all season. But the pressure Allen has created, particularly lately, has been huge. His two best games as a Panther were his…