Springbok flyhalf Handre Pollard will join the national team on Monday after being called into the squad to fill the vacancy created by hooker Malcolm Marx.
The Springboks fizzed and ground their way to a 76-0 victory over a brave but ultimately outclassed Romania in their second Rugby World Cup Pool B match in Bordeaux on Sunday.
All Blacks' prop Ethan de Groot will face a disciplinary hearing on Monday after he was shown a red car in New Zealand's Rugby World Cup win over Namibia.
Ireland captain Johnny Sexton and coach Andy Farrell are under no illusions as to the challenge that awaits them when they face the Springboks in their RWC Pool B clash next week.
After becoming Ireland's all-time leading points scorer in a crushing Rugby World Cup win over Tonga, Johnny Sexton joked his young son will chase down his record.
Samoa scored four tries in the second half to power to a 43-10 win over Chile in their Rugby World Cup clash Pool D in Bordeaux on Saturday.