Indianapolis just lost some veteran leadership on the defensive side of the ball for the time being.
Colts veteran cornerback Vontae Davis was ruled out after suffering a concussion.
Davis was shaken up in the second quarter while the Kansas City Chiefs were leading the Colts.
Here are other injuries we're tracking Week 8:
- Chiefs running back Spencer Ware was ruled out for the rest of the game after sustaining a concussion.
Quarterback Alex Smith exited the game for the second time Sunday after suffering a concussion and he won't return. In the first quarter against the Colts, he was checked for a concussion and was cleared later in the half. Smith had a cut on his ear and missed a couple of series before returning.
The hits for K.C. kept on coming as coach Andy Reid said after the game that running back **Jamaal Charles **is going to see Dr. James Andrews this week to get his knee checked out again.
- Raiders cornerback Sean Smith left early with a shoulder injury.
- Cowboys safety Barry Church suffered an arm injury in the second half and did not return. Cornerback Morris Claiborne went down with a groin injury late in Dallas' win.
- Bills pass rusher Lorenzo Alexander left early and was ruled out with a hamstring injury.
- Panthers center Ryan Kalil (shoulder) and linebacker Shaq Thompson (knee) were ruled out for the remainder of the game versus Arizona.
- Texans wide receiver Jaelen Strong (ankle), safety Lonnie Ballentine (groin), nose tackle ** Vince Wilfork **(groin) and wide receiver Will Fuller (leg) all exited early.
- Cardinals safety **Tyrann Mathieu ** did not return to the game against the Panthers after suffering a shoulder injury.
- Buccaneers running back Jacquizz Rodgers was ruled out for the remainder of the game after suffering a foot injury.
- Falcons tight end Jacob Tamme (shoulder) has been ruled out for the remainder of their game against the Packers.