We’ll never believe the Miami Dolphins or the NFL again. Not after what happened with Tua. On Sunday, Dolphins quarterback Tua Tagovailoa suffered a concussion, obvious to anyone with eyes: He hit his head on the turf, rose, staggered, and left for examination. One of those sets of eyes belonged to Dr. Kester J. Nedd, a neurologist and the former team physician for the University of Miami’s football team. “No question at all,” Nedd told The Philadelphia Inquirer on Friday. “If you experience loss of motor functions — that’s a no-go sign. Clearly, he was neurologically impaired.” The Dolphins s…