SP Marais was named in the Southern Kings squad, he made his Super Rugby debut for the Kings but missed seven matches due to a knee injury.
In 2013, he was also named in the Southern Kings squad for the 2013 Super Rugby season. He made his Super Rugby debut for the Kings in their first ever Super Rugby match, a 2210 victory over Australian side the Force in Port Elizabeth. After starting the first three matches of the season, he missed the next seven due to a knee injury. 
