Sam Darnold appears to be enjoying his summer.
The USC quarterback dazzled as a redshirt freshman last season, completing 67 percent of his passes for 3,086 yards, 31 touchdowns and nine interceptions. The Heisman Trophy favorite and potential top-overall pick in the 2018 NFL Draft is preparing for his first full season as starting quarterback. And his training includes some work on the water.
MORE: Jake Browning, Sam Darnold Lead Best Heisman Candidates for Each Pac-12 Team
On Sunday, Darnold posted a video to Instagram that shows him completing a pass from the back of a speed boat:
