11:37 AM - Steven Nelson (KC) (undisclosed) returned to Sunday's contest, Adam Teicher of ESPN.com reports.

10:58 AM - Steven Nelson (KC) left Sunday's game with an apparent lower body injury, Nate Taylor of The Athletic reports.

1:11 PM - Steven Nelson (KC) (concussion) returned to practice Monday, Adam Teicher of ESPN.com reports.

6:31 PM - Steven Nelson (KC) who left Friday's game against the Falcons prematurely, has been diagnosed with a concussion, BJ Kissel of Chiefs.com reports.

3:35 PM - Steven Nelson (KC) exited Friday's game against the Falcons and is being evaluated for a concussion, Nate Taylor of The Athletic Kansas City reports.

6:53 AM - Steven Nelson (KC) racked up nine tackles (seven solo), including one for a loss during Sunday's game against the Jets.

10:11 AM - Steven Nelson (KC) Chiefs activated Nelson (abdomen) from their Reserve/Injured-Designated for Return list ahead of Monday's game against the Broncos.

11:25 AM - Steven Nelson (KC) Chiefs designated Nelson (abdomen) as one of their two players eligible to return from injured reserve, Terez A. Paylor of Kansas City Star reports.

4:08 PM - Steven Nelson (KC) (abdomen) could potentially return for next Monday's game against the Broncos, Terez A. Paylor of The Kansas City Star reports.

11:30 AM - Steven Nelson (KC) was placed on injured reserve Sunday after having surgery on his core, Kevin Patra of NFL.com reports.

9:20 AM - Steven Nelson (KC) recorded two tackles in Friday's preseason loss to the Seahawks.

12:47 PM - Steven Nelson (KC) (groin) isn't practicing Sunday, Terez A. Paylor of The Kansas City Star reports.

6:33 AM - Steven Nelson (KC) (hamstring) resumed practicing Monday, BJ Kissel of the Chiefs' official site reports.

2:57 PM - Steven Nelson (KC) missed Friday's practice with a groin injury, BJ Kissel of the Chiefs' official site reports.

4:16 PM - Steven Nelson (KC) (neck) was a full full participant at Wednesday's practice.

10:30 AM - Steven Nelson (KC) (neck) has been downgraded to out for Sunday's game against the Broncos, Adam Caplan of ESPN reports.

12:18 PM - Steven Nelson (KC) (neck) is questionable to play Sunday against the Broncos, BJ Kissel of the Chiefs' official site reports.

7:40 PM - Steven Nelson (KC) finished with nine tackles (eight solo) in Sunday's game against New Orleans