Wasps say it is too early to say how long Dan Robson could be out of action as the scrum-half has been sidelined by blood clots.
The Reds came storming back in the second half of Saturday's Super Rugby clash to beat the Sunwolves, scoring four tries after the interval.
Saturday's game between the Highlanders and Crusaders has been called off following the Christchurch terror attacks.
The Jaguares started well and caused the Stormers problems throughout on Friday but were ultimately soundly beaten.
Australian Scott Wisemantel has read up on the history of the Calcutta Cup and watched Braveheart ahead of Saturday's battle at Twickenham.
Ireland must beat Wales to retain hope of keeping their Six Nations crown - and Rory Best believes they will need to step up a gear.
Wales captain Alun Wyn Jones is relishing Saturday's crunch Six Nations showdown in Cardiff, which will be played with the roof open.
The Chiefs halted their losing run by drawing an entertaining derby with the Hurricanes, while the Brumbies saw off the Waratahs.
Eddie Jones' claim that Wales look tired ahead of a decisive weekend in the Six Nations has been laughed off by Warren Gatland.
After last year's European Champions Cup success, Leinster have moved to retain head coach and club great Leo Cullen.