Volkov leads all ranked UFC fighters with 51 professional MMA bouts

Among currently ranked UFC fighters, Alexander Volkov has the most professional MMA experience with 51 bouts, followed by Charles Oliveira at 49 and Derrick Lewis at 43. Volkov and Oliveira are currently ranked second and third in their respective divisions despite their heavy mileage. Jiri Prochazka and Alexandre Pantoja are both approaching 40 professional fights.