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.
Judgement Day is back at the Millennium Stadium for 2015 with the Welsh Rugby Union (WRU) and Regions confirming today that tickets will cost just £10 per head to see all four of Wales' GUINNESS PRO12 sides in action under one roof.
Battling Cardiff Blues produce a performance of full pride and heart in adversity as they lost out to reigning champions Leinster Rugby in a pulsating Guinness PRO12 encounter at BT Sport Cardiff Arms Park.
Cory Allen scored the only try of the game as Cardiff Blues edged an absorbing and dramatic Welsh derby with Newport Gwent Dragons at Rodney Parade to open 2015 in the Guinness PRO12 with a crucial victory.