Northampton have now lost 11 consecutive matches.
The Vodacom Bulls laid down a marker in Pretoria on Saturday, and the DHL Stormers sneaking through in Nelspruit on Friday.
Semi Radradra has been unstoppable since joining Bristol during the summer and he now faces former club Bordeaux on Friday in Europe.
RugbyPass has sifted through the size of every starting lock in all the fixtures from the first week of January, calculated the averages and spotting the various trends.
Follow all the action on the RugbyPass live blog from the Guinness PRO14 match between the Cheetahs and Southern Kings at Toyota Stadium.
A Stormers side featuring two World Cup-winning Springboks have been handed a timely wake-up call after losing to the Southern Kings in a pre-season clash.
The Top League will feature more foreign stars than ever before in 2020.
In his first Super Rugby appearance, 29-year-old former sevens star Rosko Specman set the Bulls on the road to beating the Stormers 40-3.