In 2018, Fayad appeared in 13 games and was a starter in the final 12. He made a total of 34 tackles and 7.5 sacks, while also recording four forced fumbles and a recovery. He also recorded 12 tackles-for-loss, leading the school.[4] Fayad started every game in 2019 and made a total of 53 tackles, 6.5 sacks, four forced fumbles and a recovery, earning second-team all-conference honors.[1] Prior to the 2020 season, Fayad was ranked the number ten edge defender in the nation.[5]
In a COVID-19-shortened 2020 season, Fayad played in four games and made 17 tackles and four sacks.[1] After a game against Toledo, he was named to the Pro Football Focus Team of the Week.[6]
In 2021, Fayad ranked fourth in FBS with 13 sacks and was named the Mid-American Conference Defensive Player of the Year.[7]
On September 3, 2022, Fayad was signed to the practice roster of the Toronto Argonauts in the Canadian Football League (CFL).[10] He played in four games for the Argos in 2022, contributing with four defensive tackles, one special teams tackle, and one sack. Fayad won the 109th Grey Cup to conclude the season. He was released by the Argos on February 28, 2023.[11]
Fayad signed with the Winnipeg Blue Bombers of the CFL on January 17, 2024.[14] However, he was released in early cuts on May 12, 2024.[15] Due to a number of injuries on the defensive line, he was later re-signed by the team on June 15, 2024.[16] Fayad was released again on July 8, 2024.[17]