For me...
AFC
Ravens
---> Ravens
Steelers
NFC
Cardinals
---> Giants
Giants
Giants versus Ravens [Rematch Superbowl 2000 season, Superbowl 2009 Giants win to close the decade rivalry - Both take place in Tampa]
Overall Winner - Second Consecutive Win
The New York Giants
AFC
Ravens
---> Ravens
Steelers
NFC
Cardinals
---> Giants
Giants
Giants versus Ravens [Rematch Superbowl 2000 season, Superbowl 2009 Giants win to close the decade rivalry - Both take place in Tampa]
Overall Winner - Second Consecutive Win
The New York Giants