I can't really answer that but can say that the Super Bowl determines 'home team' status by the year. In odd numbered years the NFC is the home team; in even numbered years the AFC is the home team.
(see related link for all Super Bowl MVP winners)
Those probably are inactive players wearing Super Bowl shirts.
The winners of the Super Bowl receive the Vince Lombardi Trophy
The winners get the ring.
Click on the 'Super Bowl Winners' link on this page to see a list of who played in and won every Super Bowl.
The Dallas Cowboys have the most Super Bowl MVP Aeard winners with 7.
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