1:30 PM - Jermar Jefferson (Det) (undisclosed) signed a reserve/future contract with the Lions on Tuesday, Justin Rogers of The Detroit News reports.

11:06 AM - Jermar Jefferson (Det) (undisclosed) reverted to Detroit's injured reserve Wednesday, per the NFL's transaction log.

7:15 PM - Jermar Jefferson (Det) Lions signed Jefferson to a reserve/future contract Monday.

6:34 PM - Jermar Jefferson (Det) Lions elevated Jefferson from the practice squad for Sunday's game against the Packers.

8:57 AM - Jermar Jefferson (Det) made the roster as the No. 4 running back, Dave Birkett of the Detroit Free Press reports.

2:48 PM - Jermar Jefferson (Det) rushed seven times for 25 yards during Saturday's preseason win over Indianapolis.

8:42 PM - Jermar Jefferson (Det) coach Dan Campbell specified Jefferson as a player having a productive training camp, Colton Pouncy of The Athletic reports.

8:42 PM - Jermar Jefferson (Det) coach Dan Campbell specified Jefferson as a player having a productive training camp, Colton Pouncy of The Athletic reports.

9:45 AM - Jermar Jefferson (Det) backs coach Duce Staley indicated that Jefferson could see more playing time if he can improve on special teams, Dave Birkett of the Detroit Free Press reports.

6:16 PM - Jermar Jefferson (Det) appeared in seven games in 2021 and rushed 15 times for 74 yards with two touchdowns while catching four of five targets for 23 yards.

11:52 AM - Jermar Jefferson (Det) (coach's decision) is inactive Sunday against the Packers.

3:33 PM - Jermar Jefferson (Det) (coach's decision) is inactive for Sunday's game against the Seahawks.

12:02 PM - Jermar Jefferson (Det) (coach's decision) will not play Sunday against the Falcons.

7:31 PM - Jermar Jefferson (Det) rushed five times for nine yards during Sunday's 30-12 win over Arizona.

2:00 PM - Jermar Jefferson (Det) backs coach Duce Staley said that he expects Jefferson to have a larger role in the Lions' game plan Sunday against the Cardinals than the rookie had in last week's loss to Denver, Dave Birkett of the Detroit Free Press reports.

12:37 PM - Jermar Jefferson (Det) logged five offensive snaps but did not record a touch during Sunday's loss to Denver.

5:17 PM - Jermar Jefferson (Det) (illness) doesn't have a designation for Sunday's game in Denver, Tim Twentyman of the Lions' official site reports.

5:08 PM - Jermar Jefferson (Det) didn't practice Thursday due to an illness.

5:10 PM - Jermar Jefferson (Det) rushed five times for 18 yards while failing to catch his lone target during Sunday's 29-27 win over the Vikings.

7:39 PM - Jermar Jefferson (Det) will compete for touches with Godwin Igwebuike as the secondary option out of the backfield behind Jamaal Williams, who is slated to start and fill a lead role Sunday against the Vikings with D'Andre Swift (shoulder) ruled out for the game, Benjamin Raven of MLive.com reports.

2:35 PM - Jermar Jefferson (Det) (ankle) is listed as questionable for Thursday's game against Chicago.

5:00 PM - Jermar Jefferson (Det) (ankle) was a limited participant in practice Tuesday.

4:23 PM - Jermar Jefferson (Det) (ankle/knee) was listed as a limited participant on Monday's practice estimation.

4:26 PM - Jermar Jefferson (Det) (ankle/knee) is listed as out for Sunday's game against the Browns, Tim Twentyman of the Lions' official site reports.

1:33 PM - Jermar Jefferson (Det) (ankle) didn't take part in Thursday's practice, Tim Twentyman of the Lions' official site reports.

1:04 PM - Jermar Jefferson (Det) (ankle) isn't practicing Wednesday, Tim Twentyman of the Lions' official site reports.

2:36 PM - Jermar Jefferson (Det) Dan Campbell said Monday that Jefferson (ankle) could miss time due to his injury, Benjamin Raven of MLive.com reports.

2:03 PM - Jermar Jefferson (Det) injured his ankle during Sunday's game at Pittsburgh.

9:40 PM - Jermar Jefferson (Det) rushed twice for six yards and one touchdown while catching four of four targets for 23 yards during Sunday's 44-6 loss to the Eagles.

12:07 PM - Jermar Jefferson (Det) is expected to serve as the top backup to D'Andre Swift in Sunday's game against the Eagles with No. 2 running back Jamaal Williams (thigh) inactive for the contest, Justin Rogers of The Detroit News reports.

7:13 PM - Jermar Jefferson (Det) (coach's decision) is inactive for Monday's contest at Green Bay.

12:13 PM - Jermar Jefferson (Det) (coach's decision) is inactive for the Lions' season opener Sunday versus the 49ers, Dave Birkett of the Detroit Free Press reports.

11:48 PM - Jermar Jefferson (Det) gained 43 yards on 11 carries while catching his only target for five yards in Friday's preseason loss to the Colts.

10:31 PM - Jermar Jefferson (Det) rushed three times for 22 yards during Saturday's preseason game against Pittsburgh.

11:57 AM - Jermar Jefferson (Det) Dan Campbell said Tuesday that Jefferson will miss practice due to his ankle injury, Kyle Meinke of MLive.com reports.

12:16 PM - Jermar Jefferson (Det) started to come on strong at the end of the offseason training program, Tim Twentyman of the Lions' official site reports.

11:19 AM - Jermar Jefferson (Det) has signed a four-year contract with Detroit, Dave Birkett of the Detroit Free Press reports.

6:50 PM - Jermar Jefferson (Det) Lions selected Jefferson in the seventh round of the 2021 NFL Draft, 257th overall.