Guest
On October 23, 2019, at the WBC’s 57th annual convention, Russell Jr. was ordered to make his fifth WBC title defense against the #1 ranked mandatory title challenger Tugstsogt Nyambayar. The fight was booked as the event headliner of a February 8, 2020, Showtime card that took place at the PPL Center in Allentown, Pennsylvania. Just as in all of his title fights, Russell Jr. was seen as the favorite to retain. He won the fight by unanimous decision, with scores of 118–110, 117–111 and 116–112
