1:10 PM - Baylon Spector (Buf) Bills placed Spector (calf) on injured reserve Tuesday.

6:34 PM - Baylon Spector (Buf) (calf) is doubtful to return to Sunday's game against New England, Alaina Getzenberg of ESPN.com reports.

3:49 PM - Baylon Spector (Buf) (calf) is active for Sunday's game against the Lions.

10:53 AM - Baylon Spector (Buf) Bills activated Spector (calf) from injured reserve Saturday, and he remains questionable to suit up for Sunday's Week 15 game against Detroit.

12:54 PM - Baylon Spector (Buf) head coach Sean McDermott said Wednesday that Spector (calf) is being designated for return from IR, Maddy Glab of the team's official site reports.

3:05 PM - Baylon Spector (Buf) (calf) is listed as questionable ahead of Sunday's matchup against the Colts.

2:03 PM - Baylon Spector (Buf) recorded five tackles (three solo) during Sunday's 31-10 win at Seattle.

2:17 PM - Baylon Spector (Buf) will start at middle linebacker Monday against the Jaguars, Joe Buscaglia of The Athletic reports.

3:05 PM - Baylon Spector (Buf) recorded 10 tackles (seven solo) during Thursday's 31-10 win over the Dolphins.

4:04 PM - Baylon Spector (Buf) (calf) was left off the Bills' injury report Wednesday ahead of the team's regular-season opener Sunday against the Cardinals.

2:34 PM - Baylon Spector (Buf) (back) is competing with Dorian Williams for Buffalo's top backup role at linebacker, Joe Buscaglia of The Athletic reports.

12:13 PM - Baylon Spector (Buf) (back) is out for Sunday's game versus the Chiefs, Alaina Getzenberg of ESPN.com reports.

3:43 PM - Baylon Spector (Buf) (back) didn't practice Thursday.

6:11 PM - Baylon Spector (Buf) is questionable to return to Monday's matchup with the Steelers due to a back injury, Alaina Getzenberg of ESPN.com reports.

3:36 PM - Baylon Spector (Buf) (hamstring) was a full participant in Friday's practice.

4:17 PM - Baylon Spector (Buf) (hamstring) has been ruled out ahead of Sunday's game against the Bengals, Alaina Getzenberg of ESPN.com reports.

1:29 PM - Baylon Spector (Buf) (hamstring) will not play in Thursday's game against the Buccaneers.

4:19 PM - Baylon Spector (Buf) Bills activated Spector (hamstring) from injured reserve Saturday.

7:29 PM - Baylon Spector (Buf) Bills designated Spector (hamstring) to return from injured reserve Wednesday.

7:28 PM - Baylon Spector (Buf) (hamstring) was placed on the Bills' injured reserve Wednesday, Katherine Fitzgerald of The Buffalo News reports.