Jim Brown averaged a whopping 5.2 yards per carry in his NFL career. Unlike most athletes, Brown retired when he was on top. At 30, he decided he'd rather be in movies than star on a football field.

The 1968 movie is about a mercenary mission in the ... “My trip here is to make sure Jim Brown won’t come back,” Washington Redskins linebacker Sam Huff quipped. Ali, in classic Ali style, ...