Plot: Sports and Physical Fitness spoof: --Don Rickles (host) - sings ""Shape Up"" & plays a coach giving a pep talk to a losing football team --Pat O'Brien (actor) - recreates his ""win one for the Gipper"" speech from ""Knute Rockne All American. "" --George Plimpton (writer) - shows films of his attempts to invade professional sports --Joe Garagiola --Roosevelt ""Rosie"" Grier - sings ""On Broadway"" --Carl Yastrzemski (Red Sox baseball player) --Members of the U