[2] A welterweight bout between former two-time title challenger Stephen Thompson and former WEC and UFC Lightweight Champion Anthony Pettis served as the event headliner.

[3][4] A bantamweight bout between Martin Day and Chris Gutiérrez was scheduled for the event.

However, it was reported that Day was pulled from the bout due to injury and he was replaced by Ryan MacDonald.

[5] Marlon Vera was expected to face Frankie Saenz in a bantamweight bout at UFC 235.

[7] Nasrat Haqparast and Chris Gruetzemacher pulled out of their respective bouts, due to injury, against John Makdessi and Jesus Pinedo.