Defending champions Northampton suffered a shock defeat to Gloucester, while Bath returned to top of the Premiership and Sale beat Leicester.
Sale Sharks and England forward Jonny Hill has received a 10-week ban - with four weeks suspended - after accepting a charge that he abused a spectator.
Six-try Bath powered their way to a bonus-point victory over Sale Sharks to round off the first block of Gallagher Premiership matches in style.
Northampton bounced back from their derby disappointment in style as they trounced Sale while Newcastle earned their first Premiership victory in over a year.
Tom Roebuck scored twice as Sale cruised to a thumping 43-10 bonus-point win to condemn Newcastle to a 25th successive Premiership defeat.
England wing Tom Roebuck scored two tries as Sale secured a breathless 31-27 bonus-point win over Gloucester in the Gallagher Premiership.
England fly-half George Ford does not require surgery on his torn thigh muscle and could be fit for autumn internationals.
Leigh Halfpenny celebrated a first Gallagher Premiership try as Harlequins picked up a 28-14 bonus-point victory over Newcastle at Twickenham Stoop.
George Ford will miss England's Summer Series matches against Japan and New Zealand as he continues his recovery from a pre-existing Achilles injury.
A fan has claimed he was grabbed around the throat and left with a cut above his eye after an incident involving Sale Sharks forward Jonny Hill.
Championship clubs have welcomed the approval of promotion to the Gallagher Premiership as a "new era" for the professional game in England.
Bath reached their first Premiership final for nine years after beating Sale 31-23 at the Recreation Ground.
All of the action from the final day of the Gallagher Premiership regular season, which saw the Play-Offs decided.
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.
A round-up of Sunday's Gallagher Premiership action as Bristol Bears claimed a club-record victory and Sale Sharks won a 10-try thriller.
Tom Roebuck scored a hat-trick of tries as Sale kept their Premiership play-off hopes alive by blowing away Exeter 41-5.
Gloucester broke their miserable run of nine consecutive Gallagher Premiership defeats with a morale-boosting 32-20 win over Sale at Kingsholm.
Sale dropped into the Challenge Cup after being brushed aside by La Rochelle as the French giants kept alive their bid for a hat-trick of Champions Cup titles.
Harlequins moved to the top of the Premiership with a bonus-point win over Newcastle, while Bristol ended Sales' long winning home run.