EARLY CAREER
In Mack’s only year of high school football, Mack had 140 tackles, including eight for a loss, and nine sacks. He was named third-team All-State in Florida, as well as first-team All-Area, and helped lead the Panthers to a district championship. With 1 year of experience, Mack was only a two-star recruit by Rivals.com. He received a scholarship University of New York at Buffalo to play Division I football.
NFL BEGINNINGS
After signing a four-year contract, Mack made his NFL debut in the season-opener against the New York Jets. Mack recorded six tackles during the 19–14 loss. During Week 7 against the Arizona Cardinals, he recorded a season-high 11 tackles during the 24–13 loss. Mack finished his rookie year with 76 combined tackles, four sacks, a forced fumble, and three pass deflections in 16 games and starts. By the end of his rookie season, Mack was considered a candidate for AP Defensive Rookie of the Year. Mack finished in third in Defensive Rookie of the Year voting behind defensive tackle Aaron Donald of the St. Louis Rams.
MOVE TO Chicago 
On September 1, 2018, following Mack’s holdout through the entire preseason, the Raiders traded him, and a 2020 second-round pick to the Chicago Bears for a 2020 first-round pick. Following the trade, Mack signed a six-year extension with the Bears worth $141 million featuring $90 million guaranteed. Which made him the highest-paid defender in NFL history. On September 26, against the Cleveland Browns, Mack recorded two sacks and two tackles. Mack played in seven games during the 2021 season before undergoing season-ending foot surgery. He was placed on injured reserve on November 19. Kahlil finished the season with 19 tackles and six sacks.
MOVE TO L.A.
On March 16, 2022, the Bears traded Mack to the Los Angeles Chargers in exchange for a second-round pick in the 2022 NFL Draft. This move reunited him with Chargers head coach Brandon Staley, who served was the outside linebackers coach for the Bears in 2018 during Mack’s first season. In his debut against his former team the Raiders, Mack recorded three sacks and one forced fumble. Mack became only the fifth non-rookie to have three-plus sacks in a debut with a new team.
IN THE COMMUNITY
Khalil Mack joined a group of NFL players helping to support people struggling during the COVID-19 pandemic. Mack donated $350,000 to the organization A Better Chicago. A Better Chicago works to fight poverty by investing in initiatives targeting low-income youth. The donation is directed to the Emergency Relief Fund they put in place during the pandemic. The emergency fund will distribute money to groups working to provide direct financial support, essential goods and services, and high-quality programming like remote education instruction.