By NICK CAIN

Numbers game: Gareth Steenson celebrates after diving on a through ball to score Chiefs’ third try
PICTURE: Getty Images

Blistering start: Santiago Cordero goes over to score Chiefs’ first try

EXETER are struggling to impose themselves in European Cup rugby to the degree that they do in the Premiership, and this intense clash at the Stade Pierre- Fabre was a case in point.
After a blistering start in which the Devon side scored two tries in quick succession, they were unable to press home their advantage when Castres were reduced to 14 men after their No.8 M...