Saracens have gone top of rugby union's Premiership after a 16-6 win at Northampton.
The Saints had started the day in first position but their first league defeat of the season sees them drop to third in the table.
A fine run by Joel Tomkins set up England fly-half Alex Goode to score the only try of the game, with Saracens' other 11 points coming from the boot of Owen Farrell.
Gloucester are up to second after one of the games of the season against Leicester at Kingsholm.
The home side survived a having two men in the sin-bin at one stage in the second half to scrape a 27-21 victory.
Freddie Burns starred for Gloucester, setting one try with a neat kick through to Charlie Shaples before scoring one himself after an impressive chip over the defence.
Bath are just two points off the play-off places after a hard fought 23-15 win over Exeter at The Rec.
Tries from Ben Williams, Kyle Eastmond and Francois Louw had put the home side in control but Exeter came back into the game after substitue Ignacio Meires' converted try.
The away fans were given even more hope when Dan Hipkiss was sent off late on for two yellow cards but it was Bath fly-half Stephen Donald who put the game beyond doubt with a last minute penalty.
In the Pro 12, Ospreys ran in four tries to beat Connacht 26-9 at the Liberty Stadium.