Efter at have vundet interim UFC-letvægts-mesterskabet i 2017, satte han ny rekord for flest sejre i træk i UFF letvægts-klasse-historie (med 10) og blev bredt anset af eskeprter for at være en af de bedste letvægtere i [[UFC]]'s historie.<ref>{{cite web |url=http://mmajunkie.com/2017/10/ufc-216-pre-event-facts-tony-ferguson-kevin-lee-demetrious-johnson-ray-borg |title=UFC 216 pre-event facts: Tony Ferguson looks to extend longest win-streak in UFC lightweight history |access-date=2017-10-22 |url-status=live|archive-url=https://web.archive.org/web/20171022090245/http://mmajunkie.com/2017/10/ufc-216-pre-event-facts-tony-ferguson-kevin-lee-demetrious-johnson-ray-borg |archive-date=2017-10-22 |df= }}</ref><ref>{{cite web |url=https://www.mmamania.com/2017/10/5/16425266/fighter-break-down-ufc-216-tony-ferguson-strengths-weaknesses-kevin-lee-mma |title=Fighter on Fighter: Breaking down UFC 216’s Tony Ferguson |access-date=2017-10-22 |url-status=live|archive-url=https://web.archive.org/web/20171022090453/https://www.mmamania.com/2017/10/5/16425266/fighter-break-down-ufc-216-tony-ferguson-strengths-weaknesses-kevin-lee-mma |archive-date=2017-10-22 |df= }}</ref> I september, 2018 er han #2 på UFC's officielle letvægts-rangliste og er #13 på den officielle UFC pound-for-pound-liste.<ref>{{Cite web|url=http://www.ufc.com/rankings|title=Fighter Rankings {{!}} UFC ®|website=UFC|language=en|access-date=2018-07-26}}</ref>
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