Mariota released a statement announcing his intention:
Statement from Marcus Mariota. “Once a Duck, always a Duck.” pic.twitter.com/xVwdVihpIE
— Zac Ellis (@ZacEllis) January 14, 2015
Mariota was quarterback for more wins (35) than any other Oregon quarterback and holds seven season or career records at the school. This past season, he led the nation in passing efficiency, quarterback rating, yards per attempt and points responsible for while ranking third in passing touchdowns, fifth in total offense, completion percentage and yards per completion, and seventh in passing yards.
He also did this:
Heisman winner Marcus Mariota jumps to the NFL with the most amazing TD-INT ratio of any college QB ever: 105-14…AND ran for 29 more TDs
— Bruce Feldman (@BruceFeldmanCFB) January 14, 2015