Invicta FC 18: Grasso vs. Esquibel was a mixed martial arts event headlined by a strawweight fight between undefeated Alexa Grasso and Jodie Esquibel. The winner of the main event is expected to receive the next strawweight title shot against champion Angela Hill. The original co-main event was to be Irene Aldana facing undefeated Brazilian fighter Taila Santos to determine who challenges Tonya Evinger next for the bantamweight championship, however... see more