12:39 AM AST

After spending the past two weeks in concussion protocol, Dolphins quarterback Tua Tagovailoa will be the starter for Sunday night's game against the PittsburghSteelers.

After hitting his head on the ground, Tagovailoa sustained a concussion and was hospitalized. After hitting his head on the ground, Tagovailoa stumbled while trying to return to the huddle.

At halftime of the Bills game, he was evaluated for a concussion, but he passed the exam. The team and Tagovailoa said it was a back injury that caused the stumbles.

The Dolphins lost both games that Tagovailoa missed. At the time of his injury, Tagovailoa was second in passing yards and third in passing touchdown in the league. He was named the AFC's offensive player of the week after throwing for 469 yards and 6 touchdown in a win over the Baltimore Ravens.

Without Tagovailoa, Miami's offense has gone downhill. The Dolphins ranked first and second in points per drive and offensive expected points added through the first three weeks of the season. They fell to 28th in offensive EPA and 29th in points per drive.