According to reports, Springbok No 8 Duane Vermeulen has declined an offer to serve as the defence and forwards coach for the Bulls.
Springbok veteran Duane Vermeulen played his final game for Ulster in the United Rugby Championship (URC) quarter-final defeat to Connacht on Friday.
Springbok veteran Duane Vermeulen is one of 10 players that will leave the United Rugby Championship side Ulster at the end of the season.