Northampton returned to winning ways in the Aviva Premiership with an emphatic 35-10 triumph over Newcastle Falcons.
Leicester boss Richard Cockerill admitted "we got what we deserved" after the Tigers suffered a humiliating 45-0 Aviva Premiership defeat against Bath at the Recreation Ground.
A last-minute try by Billy Vunipola from a driving maul saved Saracens' unbeaten record just as a rejuvenated London Irish had seemed set to pull off a remarkable Aviva Premiership victory.
England fly-half hopeful George Ford inspired a Bath romp at the Recreation Ground as hapless Leicester were ruthlessly battered into submission.
Harlequins rebounded from their surrender to Saracens by completing a stormy 26-23 Aviva Premiership victory over Wasps at Twickenham Stoop.
Alesana Tuilagi says it was "an easy decision" to leave Japan and make an Aviva Premiership return with Newcastle.
Tom Arscott scored a hat-trick as Sale secured their first Aviva Premiership win of the season with a 46-8 thumping of London Welsh.