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Injured New Orleans Saints tight end Jimmy Graham's status is uncertain for Sunday's Week 8 game against the Buffalo Bills, a source said Monday.
The Saints will test Graham's foot injury this week and determine whether he is healthy enough to play.
Had the Saints (5-1) played on Sunday, the source said Graham might have been sidelined.
Over the first five weeks of play, Graham caught 37 passes for 593 yards and six touchdowns.
Graham injured his foot during the Week 6 game against the New England Patriots.