UFC Fight Night: dos Anjos vs. Alvarez (also known as UFC Fight Night 90) was a mixed martial arts event held on July 7, 2016 at the MGM Grand Garden Arena in Las Vegas, Nevada.

It also marked the second North American card to air live exclusively on their subscription-based digital network, UFC Fight Pass, and the first men's championship fight broadcast over that medium.

[2] The event was headlined by a UFC Lightweight Championship bout between then-champion Rafael dos Anjos and former two-time Bellator Lightweight Champion Eddie Alvarez.

[2] A lightweight bout between John Makdessi and Mehdi Baghdad, originally scheduled for UFC 199, was moved to this event possibly to bolster the card.

[3] Nordine Taleb was expected to face Alan Jouban at the event, but pulled out on June 7 due to injury.