George Ford kicked all Bath's points to give them their eighth straight win in all competitions at a sold-out Recreation Ground on Saturday.
London Irish could not mark Topsy Ojo's 200th appearance for the club with victory as they fell to a 19-12 defeat to Wasps at the Madejski Stadium.
George Kruis crashed over to score the match-winning try for Saracens as the Aviva Premiership leaders left it late to beat Sale.
The 2015 World Cup final will kick off at 8pm with ticket prices ranging from £150 to £715, the tournament organiser has announced.
All four of England's Pool A games at Twickenham, including their critical September 26 showdown with Wales, are scheduled for 8pm starts.
England 2015 has announced that over one million of the total 2.3million available tickets will go on sale at £100 or less with 500,000 selling at £50 or less.
Northampton have accepted they are "outside Premiership Rugby board policy" after their Wales wing George North was released for Saturday's Test match against Australia in Cardiff.
But Saints also say their agreement with North has "not contravened any rules, laws or regulations".
London Irish have announced a three-year contract extension for winger Topsy Ojo.
Ojo, who was capped by England on the 2008 tour of New Zealand, has committed his future at Irish until 2017.