Before revision: In mixed martial arts, Francis Ngannou began as a professional fighter in 2013 at the age of 26 , and two years later he would sign with the Ultimate Fighting Championship (UFC) promotion, where he obtained a 12–2 record and won the UFC Heavyweight Championship at the age of 35.
After revision: In mixed martial arts, Francis Ngannou began as a professional fighter in 2013 at the age of 27 , and two years later he would sign with the Ultimate Fighting Championship (UFC) promotion, where he obtained a 12–2 record and won the UFC Heavyweight Championship at the age of 35.