Dricus du Plessis looks to hold onto gold against the dangerous Khamzat Chimaev. Here's everything you need to know about UFC 319 and how to buy tickets.

Perhaps the most anticipated UFC middleweight championship fight in recent memory will take center stage toward the end of the summer. Dricus Du Plessis will attempt to make the third defense of his title reign when he meets undefeated Khamzat Chimaev at UFC 319 on Aug.

Chimaev (14-0) earned his title shot by brutally submitting Whittaker in October, pushing Whittaker's front teeth out of alignment. Chimaev is 8-0 in the UFC with seven finishes. He also holds a majority decision win over former welterweight champ Kamaru Usman.