Sports memorabilia has grown into a multibillion dollar industry, and in the wildly popular world of football, a valuable item can go for hundreds of thousands of dollars, if not more. Join the Sports Detectives on two separate missions involving football legends. First, sports host Lauren Gardner tracks the long, strange journey of Jim Brown's 1964 championship ring. Then private eye Kevin Barrows heads to Pittsburgh to find the ball involved in the most miraculous play in league history, "The Immaculate Reception."