The NFL world has showered Miami Dolphins quarterback Tua Tagovailoa with support and caring thoughts regarding his playing career. After suffering numerous concussions, the Dolphins signal-caller was recently placed on the injured reserve list.

Miami Dolphins quarterback Tua Tagovailoa signed a four-year contract extension. Here's what to know about him, including how to pronounce his name.

None of this matters if Tua is cleared to play. If he’s not cleared, however, the Dolphins will owe every penny of the guaranteed money — possibly if not probably with no insurance money to refund the cash or to secure salary-cap credits.