This week on What the Heck, MMA Fighting's Mike Heck speaks with former UFC flyweight Jimmy Flick (6:50) to explain his decision to announce his retirement on Saturday.

Stephen Thompson (50:11) discusses his recently announced matchup with Gilbert Burns at UFC 264, the ongoing drama between event headliners Dustin Poirier and Conor McGregor, and his dislike of Jake Paul.

Randy Costa (1:16:07) explains his friendly callout and ongoing competitive rivalry with Adrian Yanez and recovering from an injury that forced him out of his March fight with Trevin Jones.

Finally, Julian Marquez (1:47:07) recaps his second-round submission win over Sam Alvey at UFC Vegas 23, gives an update on where things stand with his pickleball callouts of Patrick Mahomes, Travis Kelce and Tyreek Hill, and more.

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