UFC Fight Night: Magomedsharipov vs. Kattar (also known as UFC Fight Night: Zabit vs. Kattar, UFC Fight Night 163 and UFC on ESPN+ 21) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on November 9, 2019 at CSKA Arena in Moscow, Russia.[2][3]
A featherweight bout between Zabit Magomedsharipov and Calvin Kattar was scheduled for UFC on ESPN: Reyes vs. Weidman. However, promotion officials then elected to instead reschedule the pairing for this event.[7] In turn, after a change up in participants in the original main event, the pairing was elevated to serve as the three round headliner.[6]
Vinc Pichel was linked to a bout with Alexander Yakovlev at the event. However, Pichel pulled out of the fight on October 24, citing an undisclosed injury and was replaced by Roosevelt Roberts.[8]
A light heavyweight bout between Gadzhimurad Antigulov and Ed Herman was scheduled for the event. However, Antigulov was pulled from the bout for an undisclosed reason and replaced by Khadis Ibragimov.[9]