The defensive end position is probably the deepest on the 53-man roster for the Buffalo Bills and the reason was at the start of the year Von Miller was on the PUP list and still working his way back from his ACL injury. The Bills have had their fair share of injuries after that with Greg Rousseau and A.J. Epenesa missing time.
When the Bills have had a player miss a game, Kingsley Jonathan has been the player who has helped round out the rotation. However, in those instances he has played less than 10 snaps and has had only two games this season with double digit snaps (Week 3 and Week 5).
The Buffalo Bills will definitely want to have depth at the position but Kingsley Jonathan would be a better candidate for the practice squad that gets called up instead of keeping a spot on the 53-man roster.