After just eight months of MMA training, the 21-year-old Jones makes his UFC debut with a unanimous-decision victory over Andre Gusmao.
2 of 18Josh Hedges/Zuffa LLC via Getty Images
Rashad Evans vs. Chuck Liddell
Evans earns a shot at the UFC light heavyweight title with a one-punch knockout of Liddell.
3 of 18Eric Jamison/AP
Rashad Evans vs. Forrest Griffin
Evans scores a third-round knockout of Griffin to win the UFC light heavyweight championship.
4 of 18Eric Jamison/AP
Jon Jones vs. Stephan Bonnar
Jones' spinning elbows and suplexes are the talk of the MMA world after his points victory over Bonnar at UFC 94.
5 of 18Greg Choat/SI
Rashad Evans vs. <br> Lyoto Machida
Making his first defense of the UFC light heavyweight title, Evans suffers his first and only career loss by second-round knockout to Machida.
6 of 18Greg Choat, Greg Nelson/SI
Rashad Evans, Greg Jackson and Jon Jones
After promising not to fight any of his new teammates in the octagon, Jones joins Jackson's gym. According to Evans, Jackson specifically asked for his permission to allow Jones to join the team. Over the next year, both Evans and Jones would continually repeat the mantra they will never fight the other.
7 of 18Jon Kopaloff/Zuffa, LLC via Getty Images
Rashad Evans vs. <br> Quinton "Rampage" Jackson
Evans wins a grudge match with Jackson to become the No. 1 contender to UFC light heavyweight champion Mauricio "Shogun" Rua.
8 of 18Carlos M. Saavedra/SI
Jon Jones vs. Ryan Bader
Jones rolls through Bader with shocking ease and (with Evans' blessing) is offered the title shot against Mauricio "Shogun" Rua.
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During a UFC Live broadcast, Jones says, "I respect Dana White a lot and, if that's what he absolutely wanted (the Evans fight) to happen, then I guess that's what would have to happen." It marks the first time either fighter publicly acknowledged the willingness to fight the other.
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Asked to respond on MMA Live , a visibly upset Evans says, "I am no punk. If Jon wins the (title) I got to sit down with the team and decide what to do."
11 of 18Mel Evans/AP
Jon Jones vs. Mauricio Rua
Jones, 23, scores a technical knockout of Rua to become the youngest UFC world champion in history.
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Jon Jones and Rashad Evans
Evans stuns the MMA world by announcing he has left Team Jackson: "I'm done with Jackson's. And I know how to fight Jon. I trained with him for a long time."
13 of 18Andrew DeMattos/Icon SMI
Evans questions the legitimacy of a hand injury that forced Jones to withdraw from a proposed title defense against him.
14 of 18Dustin Bradford/Icon SMI
Jon Jones vs. <br> Quinton "Rampage" Jackson
Jones submits Jackson in the fourth round to make his first successful UFC title defense.
15 of 18Carlos M. Saavedra/SI
Jon Jones vs. Lyoto Machida
Jones chokes out Machida to cap an incredible 2011 with a second successful title defense.
16 of 18Nick Laham/Zuffa LLC/Zuffa LLC via Getty Images
Rashad Evans vs. Phil Davis
Evans easily defeats the previously undefeated Davis in an eliminator bout to determine the next UFC title challenger.
17 of 18Scott Cunningham/Getty Images
Jon Jones and Rashad Evans
Jones and Evans' shattered friendship takes center stage at the UFC 145 kickoff press conference in Atlanta. Jones accuses Evans of jealousy, while Evans calls Jones "all fake."
18 of 18Greg Nelson/SI
Greg Jackson and Jon Jones
After months of saying he will not coach against his former star pupil, Jackson confirms that he will corner Jones against Evans.
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