Young prop McCall will earn only his ninth cap, while O'Connor starts alongside Franco van der Merwe
in the second-row in the absence of Dan Tuohy and Iain Henderson.
DTH VAN DER MERWE
enjoyed a dream Scarlets debut as his brace of tries helped see off Leinster and make it four wins out of four for the West Wales region.
He's young but will call on the experience of Jamie Cudmore, Aaron Carpenter, Hubert Buydens and DTH van der Merwe
, who all have World Cup experience, to help provide leadership.
Doctor Andre van der Merwe
, who performed the ground-breaking surgery, said: "Initially we had no financial backing, no donors and many critics.
Three first-half tries from Glasgow - scored by Rob Harley, DTH van der Merwe
and Henry Pyrgos - put Gregor Townsend's side in the driving seat and, after leading 21-10 at half-time, the Warriors sealed the deal with Finn Russell's 59th-minute touchdown.
rob Harley, DTH van der Merwe
, Henry Pyrgos and Finn russell (left) touched down for the Scottish side, with only andrew Smith replying for Munster.
Munster earned a pot at goal when Dan van der Merwe
went off his feet at the breakdown but Ian Keatley's long-range effort drifted wide.
Race organiser Warren van der Merwe
said Turell appeared to be in difficulty at the start of the run after he had completed the swim section and bike ride.
Schalk van der merwe
, Armand van der merwe
and Ruan Dreyer come into the front row while Faf de Klerk starts at scrum-half.
Ulster, despite Ireland wing Tommy Bowe's scorching second-half try and a later Franco van der Merwe
touchdown, plus eight points from the boot of fly-half Paddy Jackson (below), could never quite get close enough as two Williams penalties and a conversion and one Burns conversion, meant Leicester prevailed.
Mr Bleijie said Walter van der Merwe
would become the permanent Electoral Commissioner, after serving in an acting role at the Electoral Commission of Queensland for the past year.
Andre' van der Merwe
came out victorious in the compound junior men category.