Brian St. Pierre (born November 28, 1979 in Salem, Massachusetts) is an American football quarterback for the Arizona Cardinals of the National Football League. He was originally drafted by the Pittsburgh Steelers in the fifth round of the 2003 NFL Draft. He played college football at Boston College.
St. Pierre attended St. John's Preparatory School in Massachusetts. He was the quarterback for the undefeated 1997 St. Super Bowl champions. He broke the school's single season and career records for completions, attempts, touchdown passes, touchdown rushes, completion percentage and games played. He earned All-America honors from Tom Lemming, PrepStar and SuperPrep magazines. He was also named Massachusetts and New England Gatorade Player of the Year and was selected as USA Today's Massachusetts co-player of the year. He was team captain for the 1997 St. John's team that finished 11-0 and won the state and New England championships. He was a three-year Catholic Conference all-star in football and a two-time Catholic Conference all-star in baseball. He was also a member of the St. John's basketball that won the 1997-98 Catholic Conference title.
After spending the 1998 season as a red-shirt, St. Pierre entered the 1999 season as the Boston College Eagles second string quarterback behind junior Tim Hasselbeck. He made the first start of his career on October 16 against Pittsburgh. He completed nine of fiftten passes for 115 yards and threw the first touchdown pass of his career. He also ran the ball seven times for 62 yards before leaving the game with a concussion.