Mariota, the No. 2 overall pick the 2015 NFL draft, threw his first interception as a pro during the Titans' first preseason game against the Atlanta Falcons.
Mariota has been lauded for an interception-less training camp performance so far. In 41 career games at Oregon, Mariota threw only 14 interceptions.
However, six plays into his first drive against Atlanta, Mariota was picked off by Falcons linebacker Justin Durant on a short screen pass.
Mariota finished the first drive completing two of three passes for 16 yards and the pick, which you can watch here: