Vivid Seats is an online marketplace that lets people buy and sell tickets to live events, including concerts, shows, music festivals, sporting events and theater productions.

Can Dustin Poirier go 3-0 against Max Holloway in his retirement fight? Here's everything you need to know about UFC 318 and how to buy tickets.

Searching for an online ticket marketplace? Find out more about SeatGeek’s ticket selection, rates and fees from ConsumerAffairs.