Last year, the Miami Dolphins picked up Tua Tagovailoa’s fifth-year option with hopes of getting a new contract in place down the road. With mandatory minicamp underway, the two sides still have yet to reach an agreement with training camp over a month away. After reporting to minicamp Tuesday, Tagovailoa noted the “progress” being made in the negotiations. As for why they haven’t come to a deal, he said it comes down the “business” side. “I think there’s been a lot of progress at this point,” Tagovailoa said. “From where we started, there’s been a lot of progress. Now, you can ask the other q…