The UFC champs are up against boxing stars Andre Ward, Terence Crawford and Gennady Golovkin.
McGregor is coming off a 2016 campaign where he went 1-1 with Nate Diaz, and the stopped Eddie Alvarez to become the UFC’s lightweight champ.
The flyweight champ Johnson, meanwhile, earned victories over Henry Cejudo and Tim Elliott.
In addition, McGregor has been nominated for the “Best International Athlete” award. The Irish star is competing against Canelo Alvarez, Usain Bolt, Katinka Hosszu, and Cristiano Ronaldo.