Tua Tagovailoa’s status is the biggest storyline in the NFL this weekend. Luckily, we have new insight from Dolphins head coach Mike McDaniel. McDaniel told reporters this Friday afternoon that Tagovailoa, who exited Thursday night’s game on a stretcher, has underwent an X-ray and CT scan already. He is in the process of finishing his MRI today. The Dolphins head coach also shared that Tagovailoa did have a headache on the plane ride home, but was otherwise his normal self for the duration of the flight. Tagovailoa’s headaches continued on Friday. “Dolphins HC Mike McDaniel said Tua Tagovailoa is finishing…