Following a check-up with Cardiff Blues specialists, the Blues can confirm that Warburton won't require surgery on his finger.
Warburton dislocated his finger in the loss to Sale on Sunday. Having had the finger put back in its socket at Salford Royal Infirmary Blues medical staff are now waiting for the finger joint to settle.
However, it is expected that Sam will be fit to play against Toulon on Sunday.
The Welsh stage of the Premiership Rugby 7s Series explodes into life at BT Sport Cardiff Arms Park this Saturday - and fans attending a night of thrilling regional rugby will also be showing their support for the #StayStrongForOws campaign.
In its sixth year the Blues Cup once again showed to be huge hit throughout the region and is a great advert for the community game as each of the six finalists across the three age groups produced rugby of an outstanding level resulting in 14 tries.
Inspired Cardiff Blues enjoyed Judgement Day at the Millennium Stadium as they secured a tense 17-13 win over regional rivals Scarlets in a feisty and enthralling encounter in the RaboDirect PRO12 on Easter Sunday.