DENVER, CO - JANUARY 12: Peyton Manning #18 of the Denver Broncos calls signals out in the shotgun formation behind the linne of scrimmage against Ray Lewis #52 of the Baltimore Ravens during the AFC Divisional Playoff Game at Sports Authority Field at Mile High on January 12, 2013 in Denver, Colorado. (Photo by Doug Pensinger/Getty Images)
Former Tennessee Volunteers football quarterback Peyton Manning said the Baltimore Ravens linebacker was his toughest pro opponent.
While anybody who watched his Tennessee football days knew his toughest opponent was then-Florida Gators defensive coordinator Bob Stoops, Peyton Manning said his toughest opponent in the pros was a player.