He may not be a superstar who is well known around the league, but he is one of the most beloved players in the city of Pittsburgh.
Although he may not be recognized around the league for his phenomenal play, he does attract plenty of attention due to his exuberant facial hair.
You may remember him from the media attention leading up to last year's Super Bowl.
Well, the beard is back and better than ever.
It's so awesome this time around, that there is even a song entitled "Fear the Beard" about Keisel and his rowdy look.
Keisel recently appeared at Diesel Club in Pittsburgh to sing the song with radio personality Randy Baumann.
Even though Keisel's participation in the song is minor, the song is rather amusing and really does deserve a listen.
Keisel and the Pittsburgh defense plans to have a shutdown performance against the lackluster Denver offense to move past the Wild Card round.
If he's not already, Tebow should really fear the beard.
The game will kick off Sunday at 4:30 p.m. ET and will be shown on CBS.
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