The Miami Dolphins signed quarterback Tua Tagovailoa to a massive extension last year, and one writer says it is one of the league's worst.

Miami quarterback Tua Tagovailoa is beginning to understand the old football adage that your best ability is your availability. The Dolphins' sixth-year signal-caller has been hampered throughout his run in Miami with a string of injuries.

While he has performed at a Pro Bowl level, injuries prevented Tua Tagovailoa from truly maximizing his potential during his first five seasons in the NFL. As he approaches his sixth season, the Miami Dolphins ' quarterback acknowledged that he adjusted his mindset as he looks to place a higher priority on his safety.