[4] While eligible to be selected in the 2018 CFL Draft, Onyeka informed Canadian Football League teams that he planned to return to university to complete his mechanical engineering degree at Carleton University.

[6] After attending 2018 training camp, he returned to complete his final year of U Sports eligibility.

[8] He played in six regular season games that year and recorded three special teams tackles.

[11] Later in the year, he recorded his first two career sacks on October 11, 2021 in the Thanksgiving Day Classic against the Montreal Alouettes when he brought down Vernon Adams twice in the game.

[14] His older brother, Godfrey Onyeka, plays professionally in the CFL as a defensive back.