5:37 PM - Darien Butler (LV) Raiders placed Butler (undisclosed) on the injured reserve list Tuesday.

3:24 PM - Darien Butler (LV) (concussion) is slated to compete for a role in the Raiders' linebacker corps this season, Hondo S. Carpenter Sr. of Sports Illustrated reports.

6:31 PM - Darien Butler (LV) (concussion) has been ruled out for Saturday's game against the Chiefs.

5:12 PM - Darien Butler (LV) will not return to Sunday's game against the 49ers after suffering a concussion.

6:50 PM - Darien Butler (LV) (ribs) is active for Saturday's game at Pittsburgh.

8:31 PM - Darien Butler (LV) (ribs) is deemed questionable to play Saturday against the Steelers.

8:46 PM - Darien Butler (LV) was forced out with a rib injury during Sunday's 30-24 win over the Patriots.