Here's when to expect Kamaru Usman and Joaquin Buckley to walk out to the cage for their UFC on ESPN 69 main event in Atlanta.

Joaquin Buckley believes he has a good gauge of Kamaru Usman's energy after their first faceoff of UFC on ESPN 69 fight week.

Former UFC welterweight champion Kamaru Usman is back in action Saturday night for the first time since October 23 with a Saturday fight against Joaquin Buckley at ESPN's Fight Night event in Atlanta.

In a 5-round welterweight bout in the main event, Kamaru Usman and Joaquin Buckley meet Saturday at UFC on ESPN 69 at State Farm Arena in Atlanta.

CBS Sports will be with you the entire way on Saturday, bringing you all the results and highlights from the UFC Fight Night below. The main card begins at 10 p.m. ET on ESPN and ESPN+ following preliminary bouts at 8 p.m. ET.

Buckley (21-6 MMA, 11-4 UFC) is looking to emerge as No. 1 contender when he takes on former champion Kamaru Usman (20-4 MMA, 15-3 UFC) in Saturday's UFC on ESPN 69 (ESPN, ESPN+) headliner at State Farm Arena in Atlanta.