Mike Shanahan's bid for enshrinement in the Pro Football Hall of Fame has been delayed by a convoluted voting process, and he's been left on the outside looking in as other coaches have beaten him to Canton in recent years.

Marv Levy has reached the century mark. The Hall of Famer and former Kansas City Chiefs and Buffalo Bills head coach turned 100 years old Sunday, which prompted a celebration from the sports world: Levy held a number of titles throughout his legendary football career,

Former Buffalo Bills head coach Marv Levy turns 100 on Sunday, and he's cherishing celebrating the special birthday in Canton, Ohio, at the Pro Football Hall of Fame.