Sources: Bills OT Brandon Shell retires after 7 NFL seasons

ORCHARD PARK, N.Y. -- Buffalo Bills offensive tackle Brandon Shell intends to retire after seven seasons in the NFL, per sources.

Shell, who officially signed with the Bills on June 1, was not in attendance at the team's practice on Tuesday after participating in the rest of the team's practices throughout training camp. Entering his eighth NFL season, Shell was competing for a backup tackle position behind tackles Dion Dawkins and Spencer Brown. He played 17 offensive snaps and one special teams snap during the team's first preseason game against the Indianapolis Colts.

A fifth-round pick by the New York Jets in 2016 out of South Carolina, Shell has largely played right tackle throughout his…