Update: Zach Miller underwent emergency surgery last night to repair the artery. This could potentially be a leg threatening injury. If the blood flow cannot be reestablished this could end up in an amputation.
Bears TE Zach Miller suffers dislocated knee. Likely, multiple ligament damage. Season will be over. He will need to be checked for nerve and blood vessel damage. If vessel damage, this could be limb threatening. If nerve damage, it could be career-threatening. If ligaments, would be back 10 to 16 months.