Kingsley Jonathan

Chukwuemeka Kingsley Jonathan (born April 28, 1998) is a Nigerian professional American football defensive end. He played college football for the Syracuse Orange and was signed as an undrafted free agent by the Buffalo Bills in . He was also the number one overall pick in the 2022 CFL global draft.

Early life Jonathan was born on April 28, 1998, in Lagos, Nigeria. He grew up in Baltimore, Maryland, and attended Saint Frances Academy. He also attended Eastern Alamance High School. He played defensive end and linebacker and also participated in basketball, soccer, and track and field. As a senior with Saint Frances, he recorded 65 tackles and 16 sacks, leading his team to a 10–2 record and the MIAA Class A championship. Jonathan was ranked the 24th-best defensive end by Rivals.com and was the 29th weakside defensive end according to 247Sports.

Jonathan committed to Syracuse University and made his college football debut in 2017 against Central Connecticut. Overall, as a freshman, he appeared in eight games and made four tackles. Jonathan appeared in all 13 games in his sophomore year, 2018, and started two. He recorded 21 tackles and placed third on the team with five sacks. He was an ACC honor roll selection. He appeared in all 12 games and started one, making 20 tackles and 4.5 sacks. He was a semifinalist for the Campbell Trophy, Witten Award and was a watchlisted player for the Wuerffel Trophy. He won the Joseph Alexander Award for "excellence in football, scholarship, and citizenship."

Buffalo Bills (first stint) After going unselected in the 2022 NFL draft, Jonathan was signed by the Buffalo Bills as an undrafted free agent. He was also the top pick in the 2022 CFL global draft, being selected by the Montreal Alouettes, but chose to stay with Buffalo. On August 30, 2022, he was released as part of final roster cuts.

Chicago Bears On September 1, 2022, Jonathan was claimed off waivers by the Chicago Bears. On November 15, he was waived after having recorded four tackles in five games.

Buffalo Bills (second stint) On November 17, 2022, Jonathan was signed to the Bills' practice squad. He signed a reserve/future contract on January 23, 2023.

On August 27, 2024, Jonathan was released by the Bills as part of final roster cuts, and re-signed to the practice squad the following day.

Houston Texans On February 7, 2025, Jonathan signed with the Houston Texans. He was waived on May 21.

New York Jets (first stint) On June 12, 2025, Jonathan signed with the New York Jets. He was waived on August 26 as part of final roster cuts.

Buffalo Bills (third stint) On November 5, 2025, Jonathan was signed to the Buffalo Bills' practice squad, but was released by the team on November 11.

New York Jets (second stint) On December 9, 2025, Jonathan was signed to the New York Jets' practice squad. He was promoted to the active roster on January 3, 2026. He was waived/injured on August 18.