data-mm-id=”_8xi2v6ja5″>The 2019 NFL regular season was full of surprises. These were the biggest.Ryan TannehillTannehill was a revelation this season for the Titans. A castoff after six years with the Dolphins, he signed a one-year deal with Tennessee to back up Marcus Mariota. He replaced Mariota as the full-time starter on October 13 and never looked back.In 12 games, Tannehill completed 201 of 286 passes (70.3 percent), for 2,741 yards, with 22 touchdowns and six interceptions. He led the NFL in yards per attempt (9.6) and passer rating (117.5). In the 10 games he started, the Titans went 7-3, and he led them to a playoff berth. The 2019 season represented quite a renaissance for Tannehill, who could never take his game to the next level in Miami. Now the 31-year-old is in line for…