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UFC Fight Night 170: Lee vs. Oliveira is an upcoming mixed martial arts event produced by the Ultimate Fighting Championship that is planned to take place on March 14, 2020 at Ginásio Nilson Nelson in Brasília, Brazil.
Fight card
Main Card (ESPN+)
Lightweight Kevin Lee vs. Charles Oliveira
Welterweight Demian Maia vs. Gilbert Burns
Lightweight Renato Moicano vs. Damir Hadžović
Light Heavyweight Johnny Walker vs. Nikita Krylov
Lightweight Francisco Trinaldo vs. John Makdessi
Preliminary Card (ESPN)
Flyweight Jussier Formiga vs. Brandon Moreno
Women's Strawweight Randa Markos vs. Amanda Ribas
Welterweight Elizeu Zaleski dos Santos vs. Alexey Kunchenko
Bantamweight Rani Yahya vs. Enrique Barzola
Women's Flyweight Maryna Moroz vs. Mayra Bueno Silva
Flyweight Gustavo da Silva vs. David Dvořák
Women's Bantamweight Veronica Macedo vs. Bea Malecki
Background
A lightweight bout between former interim lightweight title challenger Kevin Lee and Charles Oliveira has been slated to serve as the event headliner.
A middleweight bout between Brad Tavares and Antônio Carlos Júnior was scheduled for the event. However, Tavares was forced to pull out of the fight due to an anterior cruciate ligament (ACL) injury. He was replaced by Makhmud Muradov. In turn, Carlos Júnior suffered from an unspecified injury and the bout was cancelled from the event.
A women's strawweight bout between Paige VanZant and Amanda Ribas was scheduled for the event. However, VanZant was forced to pull out of the fight due to an undisclosed injury. VanZant requested to reschedule the bout one month later, but Ribas decided to remain at the event and Randa Markos stepped in as the replacement.
A flyweight between Su Mudaerji and Bruno Gustavo da Silva was scheduled at the event. However, due to 2019–20 novel coronavirus outbreak, Mudaerji was forced to withdraw from the event as he would not travel to prepare for the fight and was replaced by promotional newcomer David Dvořák.
At the weigh-ins, Lee weighed in at 158.5 lbs, 2.5 lbs over the lightweight non-title fight limit of 156 pounds. He was fined 20% of his purse and his bout with Oliveira is expected to proceed as scheduled at a catchweight.
COVID-19 pandemic
On March 12, the UFC announced that this event would take place "behind closed doors" after the governor of the Federal District (where Brasília is located), Ibaneis Rocha announced that large gatherings will be suspended or closed for a period of 5 days due to the 2019–20 coronavirus pandemic. The UFC's planned Thursday media day and Friday ceremonial weigh-ins event have been canceled ahead of the event. The official early-morning weigh-ins Friday are the only official fighter obligations to remain ahead of fight night. While the UFC president Dana White stated "We [The UFC] always go overboard with health and safety, and that’s what we’re going to do here", none of the fighters in the event are being tested for the COVID-19 virus by the commission leading up to this event.
With numerous programming cancelled on ESPN by the COVID-19 pandemic created a massive hole in ESPN's schedule, the fight will also air on the ESPN cable channel in the United States.
