Sean is the prototypical quarterback for a Mike Riley offense ... on the verge of setting every passing record in the Oregon State record books ... already owns 11 OSU passing records ... named one of the top 15 players to watch in the country in January by The Touchdown Club of Columbus ... enters 2014 as the fourth-most seasoned quarterback in the country; his 31 career starts are the fourth-most among returning quarterbacks (Tyler Heinecke, Old Dominion has 38, Rakeem Cato, Marshall has 35 and Braxton Miller, Ohio State has 32 starts entering the season) ... his 31 starts rank second on the team and most on the Beavers' offense ... current 65.3 career completion percentage is on pace to break the school record; is also the second-most accurate passer in the nation among returning quarterbacks ... 10,436 career yards ranks second among rising-senior quarterbacks (Old Dominion's Taylor Heinicke 11,483/first-year FBS program) ... currently 10th in the Pac-12 record book for total passing yards and tied for 13th for career touchdown passes (68) ... attended the Manning Passing Academy in July in Thibodaux, La. ... served as a counselor at the Elite 11 Quarterback Camp at Nike ... Derek Anderson (2001-04) at 6-6 is the only quarterback in Beaver history taller than Mannion - six other quarterbacks have been 6-5 ... named one of four team captain for the third straight year, the first OSU player ever chosen as a captain three times.
Tied for fourth in the nation for touchdowns passing (37), including a school record six against Colorado ... second in the nation with 4,662 passing yards and passing yards per game (358.6) ... set Pac-12 record with 4,662 passing yards in 2013 ... finished tied for third in Pac-12 single season history and set OSU record with 37 touchdown passes ... set OSU single season records with 400 completions and 603 pass attempts ... he has been named the Manning Award recipient four times and was the Pac-12 Offensive Player of the Week twice in 2013 ... named Pac-12 Conference honorable mention ... current 65.3 career completion percentage is on pace to break the school record ... completed an OSU record 41 passes vs. Stanford ... set the Pac-12 record for back-to-back games passing with 974 yards vs. California and Washington State ... OSU record 493 yards passing vs. Washington State ... OSU record seven games of 350-yards plus passing in 2013 and is tied for the most 350-yard games in a career with Derek Anderson with nine ... started all 13 games in 2013 season and 31 for his career ... Pac-12 All-Academic honorable mention ... co-team captain for the second straight year.
Started eight games in 2012 ... injured left knee, requiring arthroscopic surgery, against Washington State on a handoff and missed two games (BYU and Utah) ... tied a school-record with four touchdown passes in one half (first half) against California ... named Pac-12 Player of the Week following win at Arizona - 29-for-45 for 433 yards and three TDs ... threw for 812 yards combined at UCLA (379) and Arizona (433), then the most in back-to-back games in OSU history; both games represented career-highs ... chosen as one of four team captains for the 2012 season; the first sophomore captain in program history ... Pac-12 Academic Honorable Mention.
Sean gained a ton of on the job experience as the Beavers' starting quarterback as a redshirt freshman ... named as a Freshman All-American by the Football Writers Association of America ... started 10 games and appeared in all 12 ... made first career start against UCLA (9/24) becoming the youngest QB to start at OSU since Jonathan Smith as a redshirt freshman, Oct. 31, 1998 vs. California ... went 26-for-34 with 376 yards and four touchdowns in a win over Washington State - earned Pac-12 Offensive Player of the Week (10/24) ... set Oregon State records for attempts (66) and completions (40) at Arizona State ... finished the season with 16 touchdown passes and 1 rushing ... ended the season with 11 straight games of 200+ yards passing, a feat matched only by Anderson (13 times in 2003) in the last decade ... 3,328 passing yards is the third-most in a single season by an OSU passer ... already ranks ninth in Oregon State history in passing yardage ... his teammates voted him the most improved player at the end of the season with DE Scott Crichton.
Three-year starter and letterwinner in football ... Rivals four-star athlete and rated the 14th-best pro style quarterback in the nation ... PrepStar all-region ... first team Contra Costa Times All-East Bay and second team San Francisco Chronicle All-Metro...threw for 3,521 yards and 27 touchdowns as a senior - added three scores on the ground ... set a Northern California prep record with 581 yards passing and five touchdowns in a November game ... led Foothill to the Northern California CIF playoffs ... honorable mention All-East Bay and All-Metro as a junior ... as a junior, threw for 2,608 yards and 23 touchdowns, plus three rushing touchdowns ... finished high school career as the career passing leader at Foothill ... earned two letters as a pitcher for the baseball team and one letter as a center for the basketball team.
Born April 25, 1992 in San Jose, Calif. ... son of John and Inga Mannion ... John is the head football coach at Silverton (Ore.) High School, accepting the position in the spring of 2010 ... lists his biggest athletic thrill as "beating our cross town rival my three years on varsity" ... chose Oregon State because of "the close fit to our offense in high school. The coaching staff is great and I like the college town atmosphere" ... contemplating a career as a firefighter ... majoring in political science.