UFC on Fox: Maia vs. Condit (also known as UFC on Fox 21) was a mixed martial arts event produced by the Ultimate Fighting Championship held on August 27, 2016, at Rogers Arena in Vancouver, British Columbia, Canada.

[3] The Ultimate Fighter: China featherweight winner Ning Guangyou was expected to face Marlon Vera at UFC 202.

However, due to an out-of-competition failed test and following investigation concluding Ning ingested the substance without fault or negligence, the bout was moved to this event.

[4] In turn, the bout was postponed again due to alleged visa issues for Ning, which restricted the timing of his travel.

[7] The Ultimate Fighter Nations welterweight winner Chad Laprise missed weight, coming in at 159 lb.