Graham did not make the trip Saturday, the source said. The Saints later announced the moves, and Vilma took the field in the first quarter.
Quarterback Drew Brees has plenty of offensive weapons, but Graham is a matchup nightmare who caught 99 passes for 1,310 yards and 11 touchdowns in 2011.
The Saints lose a unique player in Graham, but the Bucs feature the second-worst pass defense in the NFL. New Orleans' offense should be fine.
Vilma will be limited, but he could provide an emotional lift to a defense that has been abused all season long.