Card #4 in the Chicle set is Ed Matesic. Ed played for the Eagles and the "Pittsburgh Football Pirates" as Chris Berman might have called them if they hadn't changed their name to the Steelers later. Here is a little bit of info on Ed:
http://en.wikipedia.org/wiki/Ed_Matesic
Check out the discussion on the proper way to throw a forward pass on the back.
matesic35front.jpg
matesic35back.jpg
jeff