Mark McCall’s side could emulate Toulon by claiming three on the trot this term.

Saracens will launch their bid for a third successive Champions Cup title by facing Premiership rivals Northampton Saints at Franklin’s Gardens.

Mark McCall’s side have claimed back-to-back European titles, and could emulate Toulon by claiming three on the trot this term. That bid for another place in the history books will start against Northampton on Sunday, October 15.

Guinness PRO12 champions Scarlets will start their European exploits by travelling to Toulon on October 15, throwing up an immediate return to the Stade Mayol for summer signing Leigh Halfpenny.

Premiership winners Exeter Chiefs will entertain Glasgow at Sandy Park on Saturday, October 14, while Clermont will face the Ospreys in Swansea on the first weekend of action.

Beaten Premiership finalists Wasps will travel to the Kingspan Stadium to face Ulster on Friday, October 13. Harlequins will host La Rochelle at The Stoop on October 14.

Holders Stade Francais will start their Challenge Cup title defence with a trip to Russia to face Krasny Yar on October 14, while Connacht will take on Frenchmen Oyonnax at Stade de Geneve in Switzerland on the same day.