COMPLEX SAYS: This battle between two great football minds who were once friends began when Bears head coach Neill Armstrong left in 1981. Many expected Ryan, the defensive coordinator, to take over but instead Mike Ditka was given the head coaching job. While the team produced one of the best defenses in NFL history, winning a Super Bowl in 1985, Ditka and Ryan were constantly at each other's throats. They reportedly even had to be restrained from one another during a Monday Night game in 1985. Ryan left to coach the Eagles the next season and their bickering continued throughout the 80s. Last year the two were reunited  for a Bears sanctioned event. All it took was a few Levitra for things to be back on the up-and-up for these oldheads. Ayo!