According to the representative of the Monson team, which is reported by TASS, the 49-year-old athlete made such a decision in connection with a serious injury.
“Jeff has a severe injury - a complete rupture of a tendon in his arm.
He will be operated on.
Recovery from such an injury can take up to a year, ”added the athlete's team representative.
Previously, Monson himself announced his retirement on his Facebook, but then deleted the entry.
Monson has 60 wins, 26 losses and one draw in mixed martial arts.
In 2018, the American received Russian citizenship.
Earlier, Dana White admitted that he would persuade Nurmagomedov to hold another fight.