Marcus Mariota sharp in Titans opening practice of camp

NASHVILLE, Tenn. -- Rookie quarterback Marcus Mariota looked composed and was mostly mistake-free in his first training camp practice leading the Tennessee Titans.

Between seven-on-seven work without lines and 11-on-11 team work, he was 13-of-18 and didn’t throw an interception.

He spoke Thursday before camp opened and will speak to the media again Sunday after the team’s first practice in pads.

His teammates offered the same sort of solid reviews they offered during organized team activities and minicamp.

"You could tell he was training this offseason, really in the playbook," tight end Delanie Walker said. "He called the huddle with poise, said the plays like he knew them, ran the offense very well. That’s exciting to see when you’ve got a young quarterback coming in and ready to go."

Twice Mariota was able to use a hard count to get the defense to jump offside.

Before any defenders were involved when quarterbacks were simply throwing to receivers, Mariota launched a beautiful spiral 40-yards to Justin Hunter in stride.

Later, one of his misses was high off the hand of giant rookie receiver Dorial Green-Beckham and another couldn’t be corralled by diving running back Dexter McCluster at the right sideline.

Kendall Wright is clearly the top receiver and Hakeem Nicks got the bulk of the work opposite Wright. But the second snap of many series featured two new guys, including Harry Douglas, Hunter and Green-Beckham.

Some highlights from the opening practice. Check out my Instagram for some pictures and videos:

  • When the receivers worked alone, they ran down and back, high-stepping over large pads as receivers coach Shawn Jefferson and assistant receivers coach Jason Tucker crushed them with arm-covering pads. None fumbled.

    Ball security. #Titans

    A video posted by pkuharsky (@pkuharsky) on

  • Cornerback Blidi Wreh-Wilson worked as the starting cornerback opposite Jason McCourty. Perrish Cox was in that spot in the offseason while Wreh-Wilson recovered from shoulder surgery. The Titans want a competition there. Wreh-Wilson getting the first-day "start" likely qualifies as a nod to him being the incumbent. Wreh-Wilson fell on his backside and did a backward somersault on his first competitive snap in one-on-ones, then got beat deep. He recovered to break up two passes, though he tugged a jersey to help on one of them. "I was a little anxious, a lot of jitters, a lot of everything, just getting all that out of me," he said. "The first couple one-on-ones they attacked me. It was what it was. After that you just keep on playing."

  • At right tackle, the team’s biggest competitive spot, Byron Bell and Jeremiah Poutasi both worked with the first team. Whisenhunt said some positions might rotate series to series, other times in longer intervals.

  • There was plenty of fullback snaps. Jalston Fowler worked in front of a variety of running backs, with Bishop Sankey leading off, Antonio Andrews often second, based on seniority and David Cobb next.

  • Outside linebacker Derrick Morgan and inside linebacker Avery Williamson drew praise for their run fits during a nine-on-seven run period that unfolds without receivers or secondary.

  • Bottom-of-the-roster tight end Phillip Supernaw made two nice plays, including what I rated as the catch of the day. He went to his knees and reached down to pull in a well-placed pass from fourth-string quarterback Alex Tanney that fell over linebacker Zaviar Gooden. Later he held on to a pass despite a quick-arriving defender hanging on him, and the ball.

  • After the team broke its giant huddle at the end of practice, a fan got assistant head coach Dick LeBeau’s attention. "Thank you," he said to the coach who chose to come to the Titans after the Steelers let him go. "Thank you."