How Brandon Shell's retirement provides opportunity for Bills OT reserves - The Athletic
20 contenders for the 2020 NFL season, 20 big weaknesses - Ranking the Achilles' heels - ESPN
Tommy Doyle carted off with knee injury - NBC Sports
Bills LB Matakevich activated from active/PUP list; Shell retires; A few reported scuffles at Tuesday's practice, Sports
Sean McDermott Concerned About This with the Buffalo Bills
Bills put Brandon Shell on reserve/retired list - NBC Sports
Bills news: Fights break out at practice, Dorian Williams impressive
Josh Allen downplays a heated Bills practice
Buffalo Bills Veteran OT Brandon Shell Unexpectedly Retiring - Sports Illustrated Buffalo Bills News, Analysis and More
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Bills' Brandon Shell not at practice, team announcing player intends to retire
Buffalo Bills Training Camp
Bills work out two offensive lineman after Brandon Shell retires
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