Northampton broke numerous records as they battered Gloucester 90-0 in the Gallagher Premiership.
Sale boosted their chances of a Premiership play-off place with a bonus-point 31-22 win against Leicester.
Exeter and Sale kept alive their Gallagher Premiership play-off hopes with victories over Gloucester and Newcastle Falcons on Sunday.
The RFU has apologised for an officiating error after Harlequins held off a storming Bath comeback for a win that lifted them back into the Premiership play-off places.
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.
Northampton Saints have announced Courtney Lawes will leave the club at the end of the 2023/24 season to join French side CA Brive.
Danny Cipriani has confirmed that he has officially retired from professional rugby.
Gloucester broke their miserable run of nine consecutive Gallagher Premiership defeats with a morale-boosting 32-20 win over Sale at Kingsholm.
Full-back Tom de Glanville scored two tries as Gallagher Premiership title contenders Bath returned to winning ways.
Saracens boss Mark McCall says "everybody would want" Owen Farrell in their side, with Racing 92 believed to be in talks to sign the England captain.
Harlequins moved to the top of the Premiership with a bonus-point win over Newcastle, while Bristol ended Sales' long winning home run.
Bath missed the chance to top of the Premiership table as they crashed to a convincing 35-22 defeat to Leicester.
Bath top the Gallagher Premiership at Christmas after winning an absorbing battle with fellow title contenders Harlequins 25-17 at the Rec.
Saracens dealt with the early loss of three key players to make it four wins in a row as they rain in six tries during a thumping 38-10 victory over Harlequins.
Bath hung on to beat Bristol 20-19 as their near neighbours almost pulled off the upset; Sale go top of Gallagher Premiership with 40-22 victory over Newcastle.
A round-up of Sunday's Premiership action as Northampton Saints moved back into the top-four and Saracens secured a bonus-point win at the Newcastle Falcons...
Bath produced a stunning second-half performance to win a pulsating West Country derby against Gloucester 45-27 at a sold-out Kingsholm.
Jamie Shillcock returned to haunt former side Bath as he scored the winning penalty with the last kick of the game to snatch Leicester a 25-24 Gallagher Premiership win.
Bath maintained their winning start in the Gallagher Premiership with a 25-16 triumph over defending champions Saracens, while Sale and Bristol were also victorious.
Gloucester made it two wins from two in the Gallagher Premiership with a nervy 18-14 victory over Newcastle Falcons at Kingston Park.