Buffalo Bills defensive end Greg Rousseau, left, and linebacker Baylon...

Buffalo Bills defensive end Greg Rousseau, left, and linebacker Baylon Spector (54) sack Tennessee Titans quarterback Mason Rudolph (11) during the second half of an NFL football game Sunday, Oct. 20, 2024, in Orchard Park, N.Y. Credit: AP/Jeffrey T. Barnes

ORCHARD PARK, N.Y. — The Buffalo Bills placed Baylon Spector on injured reserve on Saturday after the backup linebacker sustained a calf injury in practice this week.

Spector was initially listed as questionable to play at the Indianapolis Colts on Sunday, and will now miss at least four games.

The third-year player had three starts this season in place of Terrel Bernard. When not starting, Spector was serving as the primary backup to Dorian Williams, who is filling in for Matt Milano at the outside linebacker spot.

Milano tore his left biceps in August and not expected to return until early December.

The AFC East-leading Bills (7-2) also elevated receivers Tyrell Shavers and K.J. Hamler from their practice squad. Buffalo could be thin at receiver with rookie Keon Coleman expected to miss multiple weeks with a wrist injury, and Amari Cooper listed as questionable to play with a left wrist injury.

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