Robert J. Fredrickson (born May 13, 1971) is a former National Football League (NFL) linebacker who played 9 seasons for the Los Angeles / Oakland Raiders, Detroit Lions, and Arizona Cardinals. He attended Michigan State University and was a 4-time Academic All-Big Ten recipient and earned All-American honors. He was drafted in the first round of the 1994 NFL Draft by the Raiders.^[1] Fredrickson was selected to the NFL All-Rookie 1st Team in 1994. He played linebacker for the Lions in 1998 and signed as a free agent with the Cardinals in 1999. He holds the modern-era Cardinals record for most tackles in a game with 22 vs. the New York Jets in 1999. He retired from the NFL in 2003.

Fredrickson continues to be active in the Phoenix community and is a member of the Phoenix charitable volunteer group, The Thunderbirds. As hosts of the Waste Management Phoenix Open, The Thunderbirds raised a record $13.2 million ($13,254,334) for local charities through proceeds from the 2019 tournament. The Thunderbirds and the Waste Management Phoenix Open have raised more than $81 million ($81,672,224) for local charities since 2010 when Waste Management became title sponsor. In its history, dating back to 1932, The Thunderbirds and the Phoenix Open have raised more than $147 million ($147,718,790) for charities in Arizona.