MIAMI GARDENS — The return of Miami Dolphins quarterback Tua Tagovailoa is the headline for Sunday’s game against Arizona, but it’s not the whole story. The Dolphins (2-4) need a victory against the Cardinals (3-4). However, Tagovailoa being back after a four-game absence due to a concussion isn’t the only storyline. The Dolphins need a victory to stay in playoff contention, boost morale after Tagovailoa’s return and get the fans back on their side. There’s lot of work to be done, but with Tagovailoa back in the fold, there’s more hope than ever. Here are five things to watch for in Sunday’s 1 p.m.