Northampton toppled from summit by Henry Trinder double for Gloucester

• Gloucester 29-24 Northampton
• Home side survive Saints’ late fightback after lead changed hands six timesGloucester continue to confound. Eight days after conceding 57 points to Sale, one of the few teams that finished below them in the table last season, they toppled the league leaders in an oscillating encounter that summed up the opening sequence of matches in the Premiership, full on but flowing.After coming from behind three times, Gloucester looked to have secured victor