Rapp is by far the most proven of the group, having made 30 appearances for the Bills over the last two seasons after ...
Bills head coach Sean McDermott said Rapp is listed as day-to-day with back and hip injuries. Cornerback Christian Benford (concussion) was also listed as limited on the estimated practice report.
The Buffalo Bills have four safeties with starting experience including two incumbents, a highly-touted draft pick and a free-agent addition.
While there isn't a set starting tandem, the safety room for the Buffalo Bills should be better than last season.