Federico Anthony Warner is a professional football linebacker. He was drafted by the San Francisco 49ers in the third round of the 2018 NFL Draft.
Warner was raised in The Church of Jesus Christ of Latter-day Saints and after mentioning his football ambitions to his ward, a fellow ward member, who was an alumnus of Brigham Young University, helped to get his highlight reel to Kelly Poppinga, who became his lead recruiter.
In four years at BYU, Warner was a three-year starter and registered 264 total tackles, 32 tackles for loss, 6.5 sacks, seven interceptions (returning two for touchdowns), five fumble recoveries, three forced fumbles and 13 pass breakups. His seven career interceptions rank second in school history among linebackers. He graduated from BYU with a degree in exercise and wellness.
On June 13, 2018, the signed a four-year $3.97 million contract with the 49ers that included a $1.01 million signing bonus. At the end of the season he finished twelfth among all players with his 124 total tackles, and third among all rookies.
During Super Bowl LIV against the Kansas City Chiefs, Warner recorded seven tackles and intercepted a pass thrown by Patrick Mahomes during the 31–20 loss. He was ranked as #70 by his peers on the NFL Top 100 Players of 2020.
He was placed on the COVID-19 reserved list by the team on August 31, 2020, and was activated on September 9, 2020. The season culminated with Warner earning his first Pro Bowl selection, and first ever honor as AP First Team All-Pro.
On July 21, 2021, Warner signed a five-year extension with the 49ers worth $95 million. He became engaged to influencer Sydney Hightower in May.