Munster, Racing 92 and the Ospreys will take on holders Saracens in the pool stage of the 2019-20 European Champions Cup.
Danny Cipriani and Alex Goode have been outstanding this season and Martin Johnson feels they could yet board the plane to Japan.
Mark McCall said Saracens "suffocated" Exeter Chiefs in the Premiership final after a victory he said was built on experience.
Exeter Chiefs led by 11 points midway through the second half, but Saracens produced a comeback worthy of champions to win the double.
While out of the England picture, Danny Cipriani's Gloucester form has seen him named the Premiership's outstanding player.
England's Rugby World Cup preparations have been hit by the news prop Mako Vunipola will be out for three months due to hamstring surgery.
Mako Vunipola's season is over after he suffered a torn hamstring in the European Champions Cup win over Leinster.
Hooker Jamie George waxed lyrical over Billy Vunipola following his magnificent display in the European Champions Cup final.
The European Champions Cup final defeat to Saracens was hard to take for Leinster, but Johnny Sexton says they will bounce back.
Alex Goode has not played for England since 2016, but he has not given up hope of playing in the World Cup.