WUFC Fight Night: Smith vs. Teixeira was a mixed martial arts event produced by the Ultimate Fighting Championship originally planned to take place on April 25, 2020 at Pinnacle Bank Arena in Lincoln, Nebraska, United States. Due to the COVID-19 pandemic, UFC president Dana White announced on April 9 that starting with UFC 249, all future events were indefinitely postponed. The event was officially cancelled on April 20.
WUFC 151: Jones vs. Henderson was a planned mixed martial arts event that was to be held by the Ultimate Fighting Championship on September 1, 2012, at the Mandalay Bay Events Center in Las Vegas, Nevada. It was to be headlined by a UFC Light Heavyweight Championship bout, between champion Jon Jones and former dual-division PRIDE FC and Strikeforce champion Dan Henderson. However, the event was cancelled on August 23, when the UFC announced Henderson was unable to fight due to injury, and Jones refused to take a replacement fight against longtime middleweight contender, Chael Sonnen.
WUFC 176: Aldo vs. Mendes II was a planned mixed martial arts event that was scheduled to be held by the Ultimate Fighting Championship on August 2, 2014, at Staples Center in Los Angeles, California.
WUFC 233 was a planned mixed martial arts event that was rescheduled to be held by the Ultimate Fighting Championship on January 26, 2019 at the Honda Center in Anaheim, California. The promotion initially announced on December 12, 2018 that the event had been "postponed" and would be rescheduled for a later date. However, the event was ultimately cancelled.
WUFC Fight Night: Lamas vs. Penn was a planned mixed martial arts event that was set to be held by the Ultimate Fighting Championship on October 15, 2016, at the Mall of Asia Arena in Pasay, Philippines.
WUFC Fight Night: Overeem vs. Harris was a mixed martial arts event produced by the Ultimate Fighting Championship originally planned to take place on April 11, 2020 at Moda Center in Portland, Oregon, United States. Due to the COVID-19 pandemic, the event was eventually postponed (see section below).
WUFC Fight Night: Woodley vs. Edwards was a planned mixed martial arts event produced by the Ultimate Fighting Championship originally planned to take place on March 21, 2020, at The O2 Arena in London, England. Due to the COVID-19 pandemic, the event was eventually postponed (see section below).
WUFC on ESPN: Ngannou vs. Rozenstruik was a planned mixed martial arts event produced by the Ultimate Fighting Championship originally to take place on March 28, 2020 at Nationwide Arena in Columbus, Ohio, United States. Due to the COVID-19 pandemic, the event was eventually postponed (see section below).