Reigning champions Saracens put one foot in the Gallagher Premiership play-offs after Owen Farrell's late penalty sunk title rivals Bath 15-12 at the Recreation Ground.
Maro Itoje and Jamie George have yet to be offered finalised hybrid contracts by England, with Saracens boss Mark McCall hoping for a speedy resolution.
Northampton marched to a 40-17 Premiership bonus-point win over 14-man Leicester as they reinforced their status as table toppers on derby day.
It's been eight years since the Premiership had more than three clubs make it to the Champions Cup quarter-finals, but there remain six in play this season.
Northampton showed why they are top of the Gallagher Premiership, beating champions Saracens 41-30, while Leicester held off Newcastle in a dramatic 19-13 victory.
Owen Farrell said he still felt the sting of social media abuse during the Rugby World Cup, even after deleting his accounts.
England international Elliot Daly has signed a new two-year contract with Saracens until the end of the 2025/26 season.
Maro Itoje will remain available for England selection after committing his future to Saracens with a new contract.