For some top-level MMA fighters, especially those with a large enough following, getting to test their skills in the boxing ring has become a new career goal.
MMA superstars are drawn to the world of pro boxing not primarily for their aspiration to attain legitimate championship status, but due to the substantially larger financial rewards awaiting them in the boxing ring as opposed to the octagon.
Conor McGregor vs. Floyd Mayweather opened the door for Francis Ngannou vs. Tyson Fury. The former proved MMA vs. boxing crossover events could be very lucrative, while the latter proved there is a case for competitive success inside the ropes.