The Saracens will be tough opponents and are 11/2 (Paddy Power) to upset the party.
Elsewhere on Saturday, Ulster are 8/11 (bet365) to get the better of Biarritz but with only a two points to overcome at 10/11 with , the hosts are worth considering in the handicaps while visitors Leicester are 4/9 courtesy of Stan James to prevail at Llanelli Scarlets, the Tigers a 10/11 chance with Paddy Power to also cover a five-point start.
Saturday 15 January
Benetton Treviso v USA Perpignan (13:30)
Leinster v Saracens (13:30)
Stade Toulousain v Newport Gwent Dragons (13:30)
Bath v Aironi (14:30)
Ulster v Biarritz Olympique (15:30)
Scarlets v Leicester Tigers (17:45)