Clermont Auvergne back on track for Champions Cup after mauling Exeter

• Clermont Auvergne 42-10 Exeter Chiefs• Chiefs taught harsh realities in bear-pit atmosphereNormal service was resumed by Clermont Auvergne as they effected a massive turnaround from their 31-14 defeat at Sandy Park in round three to put themselves back in the hunt for another Champions Cup quarter-final.The rugby romantics have often felt Clermont are destined one day to win the top title in the European game but so far they have fallen at the final hurdle in two of the last three seasons. After last weekend’s stunning bonus-point win on their home patch many of the same fans were falling in…