After Arman Tsarukyan fell out of the main event rematch with injury on one days’ notice, Makhachev (27-1 MMA, 16-1 UFC) got the job done against Moicano (20-6-1 MMA, 12-6 UFC) courtesy of a first-round submission triumph in the headlining fight at Intuit Dome in Inglewood, Calif.

Lightweight champion Islam Makhachev submitted 10th-ranked Renato Moicano at 4:05 of the first round Saturday night at UFC 311 for his 15th straight victory.

Islam Makhachev is not only the best fighter in the world, he's also the most accomplished lightweight champion in UFC history.

Islam Makhachev cemented his place in UFC history Saturday night at UFC 311, submitting late replacement Renato Moicano.

UFC 311 at the Intuit Dome in Inglewood will feature Islam Makhachev defending his lightweight title against Renato Moicano. Follow along for live updates.

At UFC 311, Islam Makhachev now faces Renato Moicano on just a few hours’ notice. Is there a path to victory for the new challenger?

As Jailton Almeida looks to reestablish himself as a future title contender at heavyweight, Serghei Spivac is a good matchup for UFC 311's new pay-per-view opener, but also a dangerous one like Barcelos is for Talbott.

Arman Tsarukyan's nearly six-year journey to the UFC lightweight title will take a little longer. Tsarukyan suffered an injury two nights before challenging lightweight champion Islam Makhachev at UFC 311.

There is no slowing down Islam Makhachev; Merab Dvalishvili and Umar Nurmagomedov put on a show, and Jiří Procházka is undoubtedly a star.

For one fleeting moment in the first round of Saturday night's UFC 311 main event, it looked like we might witness one of the greatest upsets in MMA

UFC 311 promises to be a must-watch event with Islam Makhachev taking on Renato Moicano. Here are the live updates, results and highlights.