Islam Makhachev is a professional mixed martial artist who competes in the Lightweight division in the Ultimate Fighting Championship (UFC) . According to ESPN, the Lightweight division has a weight limit of 155 pounds, and Islam Makhachev is the current UFC Lightweight Champion. Additionally, his Tapology profile lists him as the #1 ranked Top Lightweight MMA fighter. Therefore, Islam Makhachev competes in the Lightweight weight class.