Jones made his UFC debut against André Gusmão at UFC 87, winning via unanimous decision.

Jones defeated Maurício Rua to become the youngest UFC champion at age 23.

Jones successfully defended his title multiple times, establishing himself as one of the best pound-for-pound fighters.

Jones won the interim title against Ovince Saint Preux but was later stripped due to a drug test failure.

Jones reclaimed the title against Alexander Gustafsson and defended it multiple times before vacating it to move to heavyweight.

Jones won the UFC Heavyweight Championship against Ciryl Gane.