On Twitter recently, Tim Means and Colby Covington have been having a back-and-forth discussion which started with Covington calling him out.

That bout will not happen anytime soon, as Means has been cast as a replacement for Kenny Robertson and will face George Sullivan at UFC on FOX 15 this April 18.

Means (23-6-1) has won three in a row and five of his last six, including a recent devastating TKO over Dhiego Lima. Sullivan (16-3) sports an eight-fight win streak, including a win over Igor Araujo.

Below is the current lineup:


Middleweight: Lyoto Machida vs. Luke Rockhold

Middleweight: Ronaldo “Jacare” Souza vs. Yoel Romero

Featherweight: Cub Swanson vs. Max Holloway

Female Strawweight: Paige VanZant vs. Felice Herrig


Lightweight: Jim Miller vs. Paul Felder

Light Heavyweight: Patrick Cummins vs. Ovince St. Preux

Light Heavyweight: Corey Anderson vs. Gian Villante

Welterweight: Tim Means vs. George Sullivan

PRELIMINARY CARD (UFC Fight Pass/4:15 p.m. ET)

Bantamweight: Aljamain Sterling vs. Takeya Mizugaki

Featherweight: Jimy Hettes vs. Diego Brandao

Middleweight: Nick Catone vs. Vitor Miranda

Middleweight: Eddie Gordon vs. Chris Dempsey