Miami Dolphins receiver Tyreek Hill has been catching as much flak as NFL footballs since he was detained on Sunday en route to the Dolphins’ Hard Rock Stadium in a clash with police that put him in handcuffs. In a news conference Wednesday, he admitted he “could have been better” during the interaction, according to The Miami Herald. It was a stunning admission, under the circumstances — made even more stunning by the fact that the offensive star immediately went on the offensive against the cop who pulled him over — with an obvious distortion of what took place. The encounter started when …