Support WBURDolphins QB Tua Tagovailoa's injury sparks concern over the NFL's concussion policiesAyana ArchieSeptember 30, 2022 ShareTeammates gather around Miami Dolphins quarterback Tua Tagovailoa (1) after an injury during the first half of an NFL football game against the Cincinnati Bengals, Thursday, Sept. 29, 2022, in Cincinnati. (AP)