Tua Tagovailoa has been ruled out for the Miami Dolphins' Week 3 game against the Las Vegas Raiders due to fractured ribs.

Jacoby Brissett will start against the Raiders, with practice squad quarterback Reid Sinnett backing him up.

"He's in good spirits. He's a tough kid," Brian Flores said of Tagovailoa. "He's doing everything he can ... he's getting better. He wants to be out there with his teammates, but this is the right move for him from a health standpoint."