Corvallis, OR

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More: Eastern Washington at Oregon State - Football

OSU's Mannion a media day cornhole master

Oregon State Beavers Sean Mannion, Michael Doctor and Mike Riley enjoy some down time during 2014 Pac-12 Football Media Day at Paramount Pictures studios in Los Angeles Thursday, July 24, 2014.

Sean Mannion has football in his blood

Under the tutelage of Mike Riley and his staff, Oregon State quarterback Sean Mannion has turned into one of the nation’s most prolific passers, but his development as a quarterback started long before his days in Corvallis.