i think you need to reconsider the facts you presented
sam bradford was a quarterback and as far as i know never a punter or kicker, and as far as i know never a rookie with any of the other three nor on the same team with any of the other three
jerry rice was a wide receiver and as far as i know never never an offensive lineman and his career ended before bradford's started
johnny unitas was a quarterback never a wide receiver and never played ball with the other three mentioned
sam bradford - quarterback for st louis rams '10 to present
http://en.wikipedia.org/wiki/Sam_Bradford
peyton manning - quarterback for indianapolis colts '98 to present
http://en.wikipedia.org/wiki/Peyton_Manning
jerry rice - wide receiver for four different teams '85 to '05
http://en.wikipedia.org/wiki/Jerry_Rice
johnny unitas - quarterback for baltimore colts in the '50s
http://en.wikipedia.org/wiki/Johnny_Unitas