Ulster captain, Johann Muller, has confimred he will retire from rugby at the end of this season.
The 34 year-old lock joined the Province in 2010. He has made 73 appearances for Ulster to date, He has captained the team since the start of the 2011/12 season.
He won 24 caps for South Africa and was part of the squad that won the Rugby World Cup in 2007. His last appearance for the Springboks was in 2011 when he was a second-half substitute against Wales.
Ulster reached the quarter-final of the Heineken Cup in each of the four seasons that Muller has been at Ravenhill.
He led the team in the final of the Heineken Cup in 2012 and the RaboDirect PRO12 final last season, with Ulster losing both games to inter-provincial rivals Leinster.
Muller said: “I still believe that I am playing well enough but I just feel from my body’s point of view that the time is right to step away.
“I have enjoyed my time at Ulster so much. The last four years have possibly been the best of my rugby career. My family has been so happy here and we have been made to feel really welcome in Belfast.”