Folayang picked up a unanimous decision victory over Japanese foe Tetsuya Yamada in a three - round encounter in the undercard .
Folayang took a year off from fighting after a devastating knockout loss to Timofey Nastyukhin .
Folayang , who took a year off from fighting after a devastating knockout loss to Timofey Nastyukhin , picked up a unanimous decision victory over Japanese foe Tetsuya Yamada in a three - round encounter in the undercard .