"Let it ride," Mariota told reporters Tuesday, per the Associated Press. "I mean, no matter what still I get to come out here. I get to play a game that I love, and I'm going to make the most of it."
Mariota, 25, has missed eight games in his first four seasons and has battled through injuries during his career. In 2018, he threw for 2,528 yards, 11 touchdowns and eight interceptions in 14 games, completing 68.9 percent of his passes. He also rushed for 357 yards and two touchdowns.
He earned a grade of 76.8 from Pro Football Focus, 18th among quarterbacks.
Injuries and inconsistent play have plagued Mariota's career, which is likely the reason he's heading into the final season of his rookie deal without an extension. But he's also had three head coaches and now four offensive coordinators in his short career, a revolving door of football philosophies and schemes that likely hasn't aided his progression.
Mike Vrabel will return as head coach, but last season's offensive coordinator, Matt LaFleur, is now the head coach of the Green Bay Packers. Former tight ends coach Arthur Smith is stepping into the coordinator role.
Tennessee's run-heavy philosophy means Mariota isn't asked to carry the offense. But he was a disappointment last season, with career lows in yards and touchdowns. If Mariota doesn't show significant improvement in 2019—or if he can't stay healthy—the Titans may go in a different direction at quarterback.
Tennessee brought in Ryan Tannehill as a backup this offseason, though Vrabel has maintained that Mariota will be the starter.
How much longer that's true remains to be seen. Mariota was the No. 2 overall pick in the 2015 draft, with the expectation that he would become the team's franchise quarterback. The 2019 season may be his last chance to prove he's capable of becoming one.
But for the time being, Mariota isn't worried about what anyone else has to say.
"Other people's opinions don't matter to me," he said. "I just got to be the best I can be for this team."