5:19 PM - James Cook (Buf) rushed 19 times for 80 yards and a touchdown and brought in one of three targets for five yards in the Bills' 30-20 win over the Colts on Sunday.

5:09 PM - James Cook (Buf) rushed 10 times for 44 yards and caught five of six targets for 25 yards in Sunday's 30-27 win over the Dolphins.

3:16 PM - James Cook (Buf) (toe) doesn't have an injury designation for Sunday's contest against the Titans, while rookie fourth-rounder Ray Davis (calf) is listed as questionable, Alec White of the Bills' official site reports.

3:42 PM - James Cook (Buf) (toe) practiced fully Thursday.

5:25 PM - James Cook (Buf) (toe) was listed as limited in Wednesday's walk-through.

2:55 PM - James Cook (Buf) (toe) will participate in Wednesday's walk-through, but coach Sean McDermott said the real test will come Thursday when the Bills hold their first real practice of the week, Jay Skurski of The Buffalo News reports.

5:14 PM - James Cook (Buf) head coach Sean McDermott said Tuesday that he's hopeful Cook (toe) will be available to play Sunday against the Titans, Matt Parrino of The Syracuse Post-Standard reports.

6:47 PM - James Cook (Buf) (toe) is inactive for Monday night's game against the Jets.

6:19 PM - James Cook (Buf) was a limited participant in practice Saturday and is questionable for Monday night's game against the Jets, Katherine Fitzgerald of The Buffalo News reports.

11:18 AM - James Cook (Buf) is expected to practice in limited fashion Saturday and is trending toward playing Monday against the Jets, Adam Schefter of ESPN reports.

11:03 AM - James Cook (Buf) coach Sean McDermott expects James Cook to be listed as questionable for Monday's contest against the Jets, Adam Schefter of ESPN reports.

1:33 PM - James Cook (Buf) (foot) was deemed a non-participant in Friday's walk-through.

3:47 PM - James Cook (Buf) (foot) didn't practice Thursday.

2:08 PM - James Cook (Buf) (foot/toe) is working on the side field at practice Thursday, Katherine Fitzgerald of The Buffalo News reports.

12:19 PM - James Cook (Buf) (toe/foot) won't practice Wednesday, Maddy Glab of the Bills' official site reports.

6:11 PM - James Cook (Buf) rushed 20 times for 82 yards and a touchdown while catching two of three targets for 17 yards in Sunday's 23-20 loss to Houston.

5:22 PM - James Cook (Buf) rushed 19 times for 71 yards and caught all three of his targets for 32 yards in Sunday's 34-28 win over the Cardinals.

4:15 PM - James Cook (Buf) Sean McDermott relayed Monday that the Bills won't play their starters, a group that includes Cook, in the team's preseason finale against the Panthers on Saturday, Alec White of the team's official site reports.

5:19 PM - James Cook (Buf) rushed four times for two yards and wasn't targeted in Saturday's 33-6 preseason loss to the Bears.

10:42 AM - James Cook (Buf) and other starters likely will play about a quarter in Saturday's preseason game against Chicago, Alaina Getzenberg of ESPN.com reports.

9:46 AM - James Cook (Buf) (personal) is returning to practice Monday, Alaina Getzenberg of ESPN.com reports.

10:35 AM - James Cook (Buf) is absent from Bills practice Sunday for personal reasons, Joe Buscaglia of The Athletic reports.

3:27 PM - James Cook (Buf) is slated to be joined by rookie fourth-rounder Ray Davis in the Bills' backfield this coming season, Joe Buscaglia of The Athletic reports.

3:02 AM - James Cook (Buf) rushed 13 times for 36 yards while adding three receptions on four targets for 16 yards in Sunday's 21-14 win over the Dolphins.

5:32 PM - James Cook (Buf) carried the ball 16 times for 48 yards and caught one of three targets for minus-4 yards in Sunday's 27-21 win over the Patriots.

3:32 PM - James Cook (Buf) (illness) doesn't carry an injury designation for Saturday night's game against the Chargers.

12:01 PM - James Cook (Buf) (illness) was back on the field for practice Thursday, Alaina Getzenberg of ESPN.com reports.

11:44 AM - James Cook (Buf) head coach Sean McDermott expects Cook (illness) to practice Thursday and play in Saturday's game against the Chargers, Joe Buscaglia of The Athletic reports.

1:17 PM - James Cook (Buf) isn't practicing Wednesday due to an illness, Alaina Getzenberg of ESPN.com reports.

1:01 PM - James Cook (Buf) carried 14 times for 67 yards and caught his only target for six yards in Thursday's 24-18 win over Tampa Bay.

4:46 PM - James Cook (Buf) rushed 13 times for 56 yards while catching all three of his targets for 46 yards and a touchdown in Sunday's 29-25 loss to the Patriots.

2:49 PM - James Cook (Buf) lost four yards on five carries and caught three of four targets for 25 yards in Sunday's 25-20 loss to the Jaguars.

6:41 PM - James Cook (Buf) rushed 12 times for 29 yards and a touchdown and brought in his only target for a 48-yard gain in the Bills' 48-20 win over the Dolphins on Sunday.

4:51 PM - James Cook (Buf) rushed 15 times for 98 yards and caught two of three targets for 14 yards in Sunday's 37-3 win over Washington.

12:15 PM - James Cook (Buf) (personal) returned to practice Friday, Alaina Getzenberg of ESPN.com reports.

3:55 PM - James Cook (Buf) missed Thursday's practice due to a personal matter, Chris Brown of the Bills' official site reports.

1:42 PM - James Cook (Buf) (undisclosed) wasn't spotted during the open portion of Thursday's practice, Alaina Getzenberg of ESPN.com reports.

3:30 PM - James Cook (Buf) took five carries for 23 yards and two catches for 14 yards in Saturday's preseason game at Chicago.

4:05 PM - James Cook (Buf) offensive coordinator Ken Dorsey told reporters Thursday that he's "really excited" about Cook and believes he has "three-down back" potential, Joe Buscaglia of The Athletic reports.

2:52 PM - James Cook (Buf) finished the regular season with 507 rushing yards on 89 carries (5.7 YPC) and two rushing touchdowns to go with a 21-180-1 line in the receiving game.

5:45 PM - James Cook (Buf) rushed 12 times for 39 yards and a touchdown in Sunday's 34-31 win over the Dolphins in the wild-card round.

4:19 PM - James Cook (Buf) rushed nine times for 45 yards and caught both of his targets for six yards in Sunday's 35-23 win over the Patriots.

11:52 PM - James Cook (Buf) carried five times for 34 yards and caught two of three targets for five yards and a touchdown in Saturday's 32-29 win over the Dolphins.

4:58 PM - James Cook (Buf) carried four times for six yards and added a nine-yard reception in Sunday's 20-12 win over the Jets.

1:10 PM - James Cook (Buf) rushed twice for four yards and caught two of five targets for 14 yards in Thursday's 28-25 win over Detroit.

12:33 PM - James Cook (Buf) rushed 11 times for 86 yards in Buffalo's win over over the Browns on Sunday. He was targeted twice but did not catch a pass.

11:57 PM - James Cook (Buf) carried the ball three times for 13 yards in Friday's preseason loss to the Bills. He also had one reception that went for no gain.

4:42 PM - James Cook (Buf) ran for 38 yards on four carries and caught a 12-yard reception on one target in Buffalo's preseason game against Denver on Saturday.

11:26 PM - James Cook (Buf) carried the ball three times for five yards in Saturday's 27-24 preseason win over the Colts. He added one reception on one target for five yards.

12:27 PM - James Cook (Buf) has taken some reps with the wide receivers in camp to work on his route running and footwork, Joe Buscaglia of The Athletic reports.

12:27 PM - James Cook (Buf) has taken some reps with the wide receivers in camp to work on his route running and footwork, Joe Buscaglia of The Athletic reports.