With five wins from six matches, Rajasthan are sitting pretty at the top with 10 points, their only loss coming against Kings XI Punjab in which they were beaten in the eliminator after a tie.
RCB, in contrast, are lying at the bottom with three losses from four matches, their only win being against defending champions Kolkata Knight Riders in their tournament-opener.
Virat Kohli, Chris Gayle, A B de Villiers, Rilee Rossouw have proven records of striking mortal fear into opposition attacks but for reasons unknown, have failed to fire big so far in the tournament.
Although Kohli and de Villiers have not done too badly, Gayle's form has been huge letdown and he sat out of the team's previous match against Chennai Super Kings.
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The West Indian marauder is enduring a nightmarish IPL by his standards and will have to rediscover his destructive best quickly for RCB to stay afloat.
Rajasthan, on the other hand, have been rolling along smoothly from the first match. Their batting has a settled look with Ajinkya Rahane and Shane Watson combining well in the opening slots.
The middle order has the rock solid Steve Smith to anchor the innings but the loss to Kings XI Punjab in the previous match did expose some bowling frailties of the side.