With new contract in hand, Ryan Tannehill vows to win a lot of games

The Dolphins have been a mediocre team in three years with Ryan Tannehill as their quarterback, going 7-9, 8-8 and 8-8 in Tannehill’s three seasons. But now Tannehill has a new contract to stay in Miami through 2020, and he thinks they’re going to win a lot in the next six seasons. “We’re here to…