Tua Tagovailoa's retirement was a possibility this offseason,
but the Miami Dolphins quarterback, 25, insists he'll be back for next season.
The No. 5 overall pick in 2020 sustained two recorded concussions last season and has shown interest in retirement this offseason.
It should worry Dolphins fans,
because the underlying message from the quarterback's vow
that he would not retire is that he may after one more heavy hit.