Dylan Hartley’s yellow card helps Northampton fall to defeat at Clermont

• Clermont 24-7 Northampton• Saints stay pointless in European Champions Cup Pool 2The Michelin men have been running on flat tyres this season and this was a missed opportunity for Northampton. There will be few boasts after this stuttering, stop-start affair – which at times proved too much for the referee, Ben Whitehouse, who struggled to impose his authority from the start. It also had the England captain, Dylan Hartley, sent to the sin-bin for entering a ruck with a swinging arm in a match that deteriorated into skirmishes and brawls.Hartley saw yellow for catching the prop Rabah Slimani,…