Cardiff Blues v Saracens - Kick-off 1.00pm - Channel 4
Live coverage of the matchday four Pool Three clash, which is staged at Cardiff Arms Park.
These teams will be extremely familiar with their opponents today, after facing each other in the reverse fixture at Allianz Park just six days ago.
While the hosts will ordinarily be expected to make home advantage count, the Blues lost 29-12 in front of their own fans when Glasgow Warriors visited in matchday two, while Saracens claimed a 13-3 in their previous away game, also against the Warriors.
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