Marcus Mariota looked comfortable on center stage Thursday. All the Oregon quarterback has to do now is prove he can thrive in the NFL. The reigning Heisman Trophy winner spent roughly 15 minutes answering questions Thursday at the NFL's annual scouting, using a no-frills approach to show why he should be the No. 1 pick in the draft. Mariota threw for 4,454 yards with 42 touchdowns and had four interceptions in 2014, leading Oregon to the national championship game. More...