When the calendar year 2019 began, a total of 77 men and women had been able to call themselves a UFC champion. That includes interim champions as well, of which only five never ascended to undisputed champion.
Here's a look at who has added themselves to that list in 2019.
UFC welterweight: Kamaru Usman
At UFC 235 on March 2, Kamaru Usman became the 10th welterweight champion in UFC history with a dominant performance against Tyron Woodley. Usman, a former NCAA Division II national champion, outgrappled Woodley, a Division I All-American wrestler at Missouri, the entire fight and never let him get going. Usman also attacked Woodley with body shots throughout the bout with 83 strikes. Usman outlanded Woodley, who had defended his title four times previously, 336-60 overall.
UFC interim middleweight title: Israel Adesanya
Kelvin Gastelum and Israel Adesanya used a decisive fifth round to ensure the interim middleweight title against Kelvin Gastelum in a memorable bout at UFC 236 in Atlanta on April 13. Adesanya outstruck Gastelum, 135-68, in the fight.
UFC interim lightweight title: Dustin Poirier
Dustin Poirier bloodied reigning featherweight champion Max Holloway to win the interim lightweight title via unanimous decision at UFC 236 in Atlanta on April 13.
UFC women's strawweight title: Jessica Andrade
Jessica Andrade was able to come back from the effective striking of Rose Namajunas and pile drive her way out of kimura submission attempt to win the women's strawweight title at UFC 237. Andrade landed to knockout blow at 2:58 of the second round on May 11, taking Namajunas' title after more than 550 days as champion.