While with Oakland, he connected on a 49-yard field goal versus the Arizona Cardinals and handled all punting and placekicking duties during the team's final preseason game against the Seattle Seahawks (avg.
Fredrickson signed a free agent contract with the Seattle Seahawks following the 2004 NFL Draft, but was waived during training camp, after kicking on Monday Night Football versus the Green Bay Packers.
Six days later he was picked up by the Dallas Cowboys and kicked a 49-yard field goal during a preseason Monday Night Football game versus the New Orleans Saints before being released.
Fredrickson has also had tryouts with the Baltimore Ravens, New York Jets, Tennessee Titans, Pittsburgh Steelers, and Kansas City Chiefs.
Fredrickson began the game on the Masaya (White Collar) tribe and quickly formed an alliance with Joaquin Souberbielle and Carolyn Rivera.
Post-merge, Fredrickson would be part of a six-member alliance of himself, Rivera, Lavoie, Will Sims II, Dan Foley, and Sierra Thomas.
During his senior year at Cal, Fredrickson directed, edited, and starred in the documentary Countdown to Kickoff 2003, about the 2003 California Golden Bears football team.