9:25 PM - Isaiah McKenzie (Buf) finished the regular season with 42 catches for 423 yards and four TD receptions to go with nine carries for 55 yards and a rushing TD over 15 games.

12:23 PM - Isaiah McKenzie (Buf) has cleared the NFL's concussion protocol and will practice fully Wednesday, Chris Brown of the Bills' official site reports.

4:51 PM - Isaiah McKenzie (Buf) head coach Sean McDermott said Monday that McKenzie is still in concussion protocol, Alaina Getzenberg of ESPN.com reports.

11:32 AM - Isaiah McKenzie (Buf) (concussion) is inactive Week 5 against the Steelers.

2:51 PM - Isaiah McKenzie (Buf) (concussion) is listed as questionable for Sunday's game against the Steelers after logging limited practices Thursday and Friday, Chris Brown of the Bills' official site reports.

12:02 PM - Isaiah McKenzie (Buf) who logged a limited practice session Thursday, remains in concussion protocol, per coach Sean McDermott, Alec White of the Bills' official site reports.

3:21 PM - Isaiah McKenzie (Buf) (concussion) was officially listed as a limited practice participant Thursday.

1:20 PM - Isaiah McKenzie (Buf) (concussion) participated in Thursday's practice in a red (non-contact) jersey, Alaina Getzenberg of ESPN.com reports.

3:33 PM - Isaiah McKenzie (Buf) (concussion) didn't practice Wednesday, Chris Brown of the Bills' official site reports.

1:24 PM - Isaiah McKenzie (Buf) of Wednesday, McKenzie remains in the NFL's concussion protocol, Alaina Getzenberg of ESPN.com reports.

4:22 PM - Isaiah McKenzie (Buf) was placed in concussion protocols following Sunday's win over the Ravens, Alaina Getzenberg of ESPN.com reports.

3:19 PM - Isaiah McKenzie (Buf) is being evaluated for a head injury during Sunday's game against the Ravens.

6:57 PM - Isaiah McKenzie (Buf) secured seven of nine targets for 76 yards and a touchdown and rushed once for six yards in the Bills' 21-19 loss to the Dolphins on Sunday.

3:23 PM - Isaiah McKenzie (Buf) has returned to Sunday's game against the Dolphins, Alaina Getzenberg of ESPN.com reports.

3:12 PM - Isaiah McKenzie (Buf) is questionable to return Sunday against the Dolphins due to heat-related issues.

11:20 PM - Isaiah McKenzie (Buf) caught two of three targets for 37 yards in Monday's 41-7 win over Tennessee.

2:45 PM - Isaiah McKenzie (Buf) (undisclosed) said Sunday that he'll play in Thursday's Week 1 matchup against the Rams, Thad Brown of WROC-TV reports.

12:14 PM - Isaiah McKenzie (Buf) (undisclosed) will return to practice Sunday, Jay Skurski of The Buffalo News reports.

1:21 PM - Isaiah McKenzie (Buf) asked if McKenzie, who left practice early Saturday with an undisclosed injury, would be available for Week 1 action, GM Brandon Beane noted Thursday "we'll see," Joe Buscaglia of The Athletic reports.

5:14 PM - Isaiah McKenzie (Buf) Buscaglia of The Athletic views McKenzie as "the strong favorite" to be the Bills' top slot receiver to start the coming season.

9:51 AM - Isaiah McKenzie (Buf) (undisclosed) returned to practice Wednesday, Joe Buscaglia of The Athletic reports.

9:51 AM - Isaiah McKenzie (Buf) (undisclosed) returned to practice Wednesday, Joe Buscaglia of The Athletic reports.

6:46 PM - Isaiah McKenzie (Buf) missed his second straight practice Monday with unspecified soreness, Joe Buscaglia of The Athletic reports.

6:46 PM - Isaiah McKenzie (Buf) missed his second straight practice Monday with unspecified soreness, Joe Buscaglia of The Athletic reports.

9:04 PM - Isaiah McKenzie (Buf) growth as a route runner has stood out during Buffalo's first four training-camp practices while he sees extra reps in place of injured veteran wideout Jamison Crowder, Joe Buscaglia of The Athletic reports.

6:14 PM - Isaiah McKenzie (Buf) agreed to a two-year, $8 million contract extension with the Bills on Sunday, Adam Schefter of ESPN reports.

3:46 PM - Isaiah McKenzie (Buf) recorded one reception for a three-yard gain and carried three times for 15 yards across his 16 snaps on offense in Sunday's 42-36 overtime loss to the Chiefs in the divisional round.

12:18 PM - Isaiah McKenzie (Buf) could be in line to see decreased work on offense with Cole Beasley and Gabriel Davis both back from the reserve/COVID-19 list, Joe Buscaglia of The Athletic reports.

4:54 PM - Isaiah McKenzie (Buf) caught 11 of 12 targets for 125 yards and a touchdown in Sunday's 33-21 win over the Patriots. He also rushed once for minus-1 yard.

4:00 PM - Isaiah McKenzie (Buf) figures to replace Cole Beasley (illness) as Buffalo's primary slot receiver Sunday against the Patriots, Chris Brown of the team's official website reports.

6:59 PM - Isaiah McKenzie (Buf) (coach's decision) is inactive for Monday's matchup with the Patriots.

5:23 PM - Isaiah McKenzie (Buf) Sean McDermott said McKenzie is "fine" after briefly leaving Sunday's win over the Jets due to an injury, Sal Capaccio of WGR Sports Radio 550 Buffalo reports. He caught one of three targets for 12 yards and had two carries for 17 yards and a touchdown.

5:04 PM - Isaiah McKenzie (Buf) practiced fully Thursday after being limited during Wednesday's session due to a shoulder injury.

9:18 PM - Isaiah McKenzie (Buf) (shoulder) was listed as a limited participant in practice Wednesday, Chris Brown of the Bills' official site reports.

2:34 PM - Isaiah McKenzie (Buf) (shoulder) returned to Sunday's game versus the Bills, Jay Skurski of The Buffalo News reports.

1:29 PM - Isaiah McKenzie (Buf) suffered a shoulder injury during Sunday's game against the Steelers, Alaina Getzenberg of ESPN.com reports.

5:42 PM - Isaiah McKenzie (Buf) (shoulder) was Chris Brown of the Bills' official site for the third straight day Friday and does not have an injury designation for Sunday's opener against the Steelers.

3:53 PM - Isaiah McKenzie (Buf) (shoulder) was listed as a full practice participant Wednesday.

12:29 PM - Isaiah McKenzie (Buf) head coach Sean McDermott said Tuesday that he expects McKenzie (shoulder) to be a "full go" for Sunday's season opener versus Pittsburgh, Chris Brown of the Bills' official site reports.

8:00 PM - Isaiah McKenzie (Buf) who remains out after suffering a shoulder injury Tuesday, is in-between day-to-day and week-to-week in terms of when he will return, coach Sean McDermott told Maddy Glab of the Bills' official site.

6:52 PM - Isaiah McKenzie (Buf) suffered a shoulder injury during Tuesday's practice and will have an MRI to determine the severity, Sal Capaccio of WGR Sports Radio 550 Buffalo reports.

12:18 PM - Isaiah McKenzie (Buf) special teams coordinator Heath Farwell said Thursday that McKenzie is in the "No. 1 spot" to replace Andre Roberts, who went to the Texans in free agency, as the team's primary returner, Jay Skurski of The Buffalo News reports.

12:10 PM - Isaiah McKenzie (Buf) has re-signed with the Bills, Jay Skurski of The Buffalo News reports.

11:23 AM - Isaiah McKenzie (Buf) is scheduled for unrestricted free agency this offseason, Ashley Holder of WGRZ reports.

2:58 PM - Isaiah McKenzie (Buf) (ankle) practiced fully Thursday and does not have an injury designation for Saturday's playoff game against the Colts.

3:48 PM - Isaiah McKenzie (Buf) (ankle) remained limited in practice Wednesday.

3:32 PM - Isaiah McKenzie (Buf) (ankle) was listed as limited for Tuesday's walkthrough practice.

7:53 PM - Isaiah McKenzie (Buf) caught his lone target for two yards, also throwing a 12-yard touchdown pass to Josh Allen during Sunday's 32-30 loss to Arizona.

11:22 PM - Isaiah McKenzie (Buf) reeled in his only target for a 25-yard score in Sunday's win over Seattle. He also rushed once for a yard.

3:27 PM - Isaiah McKenzie (Buf) (ankle) does not carry an injury tag for Sunday's game against the Patriots.

4:51 PM - Isaiah McKenzie (Buf) (ankle) was a limited participant in Wednesday's practice.

11:15 PM - Isaiah McKenzie (Buf) secured all four of his targets in Tuesday night's loss to the Titans, albeit for just seven yards. One of the catches did go for a three-yard-touchdown.

2:07 PM - Isaiah McKenzie (Buf) (hamstring) will be ready for Sunday's game versus the Dolphins, Chris Brown of the Bills' official site reports.

3:04 PM - Isaiah McKenzie (Buf) (hamstring) practiced on a limited basis Thursday, Chris Brown of the Bills' official site reports.

7:35 PM - Isaiah McKenzie (Buf) caught all three of his targets for 17 yards during Sunday's win over the Jets.

11:56 AM - Isaiah McKenzie (Buf) re-signed with the Bills on Tuesday, Jay Skurski of The Buffalo News reports.

1:45 PM - Isaiah McKenzie (Buf) is the Bills' only restricted free agent this offseason.

12:05 PM - Isaiah McKenzie (Buf) John Brown and Cole Beasley inactive, McKenzie is in line for added action Sunday against the Jets.

7:30 PM - Isaiah McKenzie (Buf) did not receive a target in Sunday's 17-10 win over the Steelers.

7:03 PM - Isaiah McKenzie (Buf) caught all three of his targets for 34 yards during Thursday's win over the Cowboys.

3:00 PM - Isaiah McKenzie (Buf) suited up for the second straight week Sunday against the Browns, bringing in two of four targets for 19 yards while seeing action on 54 percent of the team's offensive plays.

11:59 AM - Isaiah McKenzie (Buf) is back on the active roster Week 9 against Washington.

11:48 AM - Isaiah McKenzie (Buf) is inactive for Sunday's game against the Eagles.

7:26 PM - Isaiah McKenzie (Buf) caught two of three targets for 11 total yards during Sunday's 31-21 win over Miami.

11:55 AM - Isaiah McKenzie (Buf) (ankle) is officially active and will play in Sunday's contest against the Patriots.

4:45 PM - Isaiah McKenzie (Buf) (ankle) practiced fully Friday after missing Thursday's session and is questionable for Sunday's game against the Patriots, Chris Brown of the Bills' official site reports.

4:17 PM - Isaiah McKenzie (Buf) did not practice Thursday due to an ankle injury, Chris Brown of the Bills' official site reports.

11:18 PM - Isaiah McKenzie (Buf) caught his only target, a nine-yard gain during Sunday's 21-17 win over the Bengals.

12:48 PM - Isaiah McKenzie (Buf) caught both of his targets for 40 yards and a score in the Week 2 win over the Giants. He also had one carry for four yards.

1:10 PM - Isaiah McKenzie (Buf) Roberts (quad) has been ruled out for Sunday's opener against the Jets, making McKenzie an option in the return game. "We've got some options there," coach Sean McDermott told the Bills' official site Friday. "Whether it's (Robert) Foster, Devin Singletary, (Isaiah) McKenzie, (Micah) Hyde. We've got some guys who have some experience there."

8:15 AM - Isaiah McKenzie (Buf) was not targeted in the passing game but scored on a. six-yard jet sweep in Friday's preseason win over the Lions.

11:51 PM - Isaiah McKenzie (Buf) scored on a six-yard run during Friday's 24-20 preseason win over Detroit.

5:46 PM - Isaiah McKenzie (Buf) led the Bills in receiving Thursday, catching both of his targets for 62 yards in the win over the Colts.

11:25 PM - Isaiah McKenzie (Buf) caught one of eight targets for an eight-yard gain during Sunday's 24-12 loss to New England.

2:51 PM - Isaiah McKenzie (Buf) has been cleared to return to Sunday's game against the Patriots.

2:04 PM - Isaiah McKenzie (Buf) who was carted off the field during Sunday's game against the Patriots, is being evaluated for a head injury.

4:03 PM - Isaiah McKenzie (Buf) who was limited Wednesday with an ankle injury, was back to a full practice Thursday.

4:27 PM - Isaiah McKenzie (Buf) (ankle) was a limited participant at Wednesday's practice.

6:54 PM - Isaiah McKenzie (Buf) rushed four times for 22 yards and a touchdown while catching four of seven targets for 47 yards in Sunday's 27-23 loss to the Jets.

11:57 AM - Isaiah McKenzie (Buf) (toe) is active for Sunday's game against the Jets, Chris Brown of the Bills' official site reports.

2:01 PM - Isaiah McKenzie (Buf) (toe) practiced on a limited basis Friday after injuring himself in Thursday's session and is listed as questionable for Sunday's game against the Jets.

3:03 PM - Isaiah McKenzie (Buf) (toe) was listed as limited at practice Thursday.

2:47 PM - Isaiah McKenzie (Buf) Sean McDermott confirmed that McKenzie suffered a toe injury during Thursday's practice and was unable to finish the session, Jay Skurski of The Buffalo News reports.

12:54 PM - Isaiah McKenzie (Buf) "came up limping" after running a route during Thursday's practice, Joe Buscaglia of WKBW.com reports.

7:13 PM - Isaiah McKenzie (Buf) brought in all four of his targets for 46 yards, returned two punts for 31 yards and netted zero yards on his sole punt return in the Bills' 21-17 loss to the Dolphins on Sunday.

5:32 PM - Isaiah McKenzie (Buf) was claimed by the Bills on Monday after being waived by the Broncos on Friday, Mike Rodak of ESPN.com reports.