Atonio Mafi

Atonio Mafi (born October 20, 2000) is an American professional football guard for the Las Vegas Raiders of the National Football League (NFL). He played college football for the UCLA Bruins and was selected in the fifth round (144th overall) of the 2023 NFL draft by the New England Patriots.

Early life Mafi was born on October 20, 2000, and is of Tongan descent. He grew up playing rugby before later switching to football. He attended Junípero Serra High School in San Mateo, California, and played football on both sides of the ball, being ranked a three-star prospect and a top-130 player in California, according to ESPN. He was named Central Coast Section Co-Offensive Player of the Year, WCAL most valuable player, and first-team All-CIF, eventually committing to play college football at UCLA after flipping from California.

College career Recruited to UCLA to play on the defensive line, Mafi was measured at 411 pounds when he first entered the school. He had a jersey sized XXXXL, a size 50 waist, and 40% body fat.

Mafi slimmed down to 357 by the beginning of the 2019 season, and posted 28 tackles, including four , one sack and one forced fumble while appearing in 12 games, five of which he started.

Professional career

Prior to the 2023 NFL draft, the Los Angeles Times published a weekly diary written by Mafi.

New England Patriots Projected as going between the fourth and sixth rounds of the 2023 NFL draft, he was eventually chosen by the New England Patriots with the 144th pick in the fifth round.

Mafi was waived by the Patriots on August 27, 2024.

Indianapolis Colts On August 29, 2024, Mafi was signed to the Indianapolis Colts practice squad. He was promoted to the active roster on November 30. He was waived on December 23, and re-signed to the practice squad.

Mafi signed a reserve/future contract with Indianapolis on January 6, 2025. On May 9, Mafi was waived by the Colts.

Las Vegas Raiders On July 22, 2025, Mafi signed with the Las Vegas Raiders. He was waived on August 26 as part of final roster cuts and re-signed to the practice squad the next day. On November 17, Mafi was signed to the active roster.