As the NFL season resumes on the field, Colin Kaepernick continues to make headlines off of it. In early September, Nike announced that Kaepernick, who has a pending grievance against the NFL for collusion, would be the face of its 30th anniversary Just Do It campaign.Just days before, arbitrator Stephen Burbank denied the NFL’s motion for summary judgment on Kaepernick’s collusion claim. This raises a number of …