Exeter eye summit as Jack Nowell seals bonus-point win over Northampton

• Exeter 36-12 Northampton• Leicester on track for fourth play-off place after 41-18 win over SaleExeter’s story since they were promoted to the Premiership seven years ago has been one of steady ascent, and they are approaching the top. Victory next Saturday against a Gloucester side that will have the European Challenge Cup final on its mind would earn the Chiefs a home tie in the play-off semi-finals and a likely place at the head of the table, with the leaders Wasps at home to Saracens.Exeter not only achieved their biggest Premiership victory over Northampton, but dominated the match from…