Forrest Griffin and Matt Parrino break down the changes in the rankings. Derrick Lewis is on the rise after his win in Halifax. Plus, Johny Hendricks and Sara McMann are on the move.

Derrick Lewis talks backstage after earning his sixth consecutive victory when he KO'd Travis Browne in the main event at Fight Night Halifax.

Johny Hendricks talks backstage after winning his debut middlweight fight against Hector Lombard at Fight Night Halifax.

Watch Gavin Tucket backstage after his electric UFC debut at Fight Night Halifax.

Watch Derrick Lewis in the Octagon after his KO victory over Travis Browne in the main event of Fight Night Halifax.

Watch Johny Hendricks in the Octagon after his victory Hector Lombard in his middleweight debut at Fight Night Halifax.

Watch Sara McMann talk backstage after her impressive submission victory over Gina Mazany at Fight Night Halifax.

Watch Randa Markos backstage after her victory over former champ Carla Esparza at Fight Night Halifax.

Watch the Fight Night Halifax post-fight press conference live following the event.

Watch the Fight Night Halifax Q&A, featuring Michael Chiesa and Sergio Pettis, live on Saturday, Feb. 18 at 3pm/12pm ETPT.

Watch the Fight Night Halifax official weigh-in on Saturday Feb. 18 at 4pm/1pm ETPT live from Halifax World Trade Convention Centre in Halifax, Canada.

Travis Browne believes everything is coming together at the right moment. He'll put that to the test on Sunday when he takes on Derrick Lewis in the main event at Fight Night Halifax.

Joe Rogan previews the main event for Fight Night Halifax, featuring heavyweight contenders Derrick Lewis and Travis Browne.

Watch the faceoffs from Fight Night Halifax's media day, featuring main event heavyweight stars Derrick Lewis and Travis Browne.

Preview a middleweight matchup at Fight Night Halifax, featuring Johny Hendricks and Hector Lombard.

Travis Browne knows the road to the title begins this Sunday when he takes on fellow heavyweight contender Derrick Lewis in the main event at Fight Night Halifax.

Watch Hector Lombard's first career UFC victory when he KO'd Rousimar Palhares in Dec. 2012. Lombard faces Johny Hendricks in the co-main event at Fight Night Halifax.

Travis Browne earned his third consecutive KO when he defeated Josh Barnett at UFC 168. Watch Browne take on Derrick Lewis in the main event of Fight Night Halifax on Feb. 19.

Watch Derrick Lewis earn a Performance of the Night bonus when he KO'd Gabriel Gonzaga in 2016. Don't miss Lewis take on Travis Browne in the main event of Fight Night Halifax on Feb. 19.

On Sunday, Feb. 19 the UFC returns with a heavyweight main event between Derrick Lewis and Travis Browne. Plus, former Olympian Hector Lombard welcomes former welterweight champ Johny Hendricks to the middleweight division.