Bath top the Gallagher Premiership at Christmas after winning an absorbing battle with fellow title contenders Harlequins 25-17 at the Rec.
Sale produced a superb second-half show to open their Champions Cup campaign with a 28-5 victory over Stade Francais at AJ Bell Stadium.
Marcus Smith said it was "quite scary" to see England team-mate Owen Farrell step away from international rugby.
Marcus Smith won the duel between England's fly-halves in waiting but it was the contribution of Harlequins' pack that underpinned a 36-3 win over Sale.
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.
A round-up of Saturday's Premiership action as Harlequins go top of the table with win at Leicester, while Sale prevail again away to Bristol.
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.
Harlequins picked up their first league win of the Premiership season with a hard-fought 22-14 victory over Exeter at the Stoop.
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Zach Mercer, Danny Care and Val Rapava-Ruskin are included in England's initial 28-player Rugby World Cup training squad.
A round-up of Saturday's Gallagher Premiership action as London Irish finished a difficult week on a high.
Sale Sharks booked a home tie in the Gallagher Premiership play-offs after digging deep to defeat Gloucester 25-22 at Kingsholm as part of Saturday's action.
A round-up of all of the action from Saturday's three other Heineken Champions Cup round of 16 games.
A round-up of Sunday's Gallagher Premiership action as Saracens beat Harlequins and Leicester Tigers beat Bristol Bears, while London Irish beat Northampton Saints.
A round-up of Sunday's Gallagher Premiership action as Leicester Tigers won at Gloucester and London Irish beat Sale Sharks, while Bristol Bears thumped Harlequins.
Courtney Lawes has withdrawn from England's Six Nations squad due to take on France, while Marcus Smith has been retained over George Ford in the 27-player group.
Julian Montoya scored two tries to lead Leicester Tigers to a big win over Bath, while Harlequins record dominant victory over Exeter.
MPs have warned the financial situation of Premiership clubs is "clearly unsustainable" in a damning report on issues facing the game in England.
A round-up of Sunday's Heineken Champions Cup action as Edinburgh booked a last-16 place after victory at Castres, while Stormers and Racing 92 won.
A round-up of Sunday's Gallagher Premiership action as Sale Sharks proved too strong for Harlequins, with London Irish cruising past Bristol Bears....