Castres’ Rory Kockott  box kicks under pressure from Tomas Francis of Exeter Chiefs during the Heineken Champions Cup match  at the Stade Pierre-Fabre. Photograph: Dan Mullan/Getty Images

Castres 29 Exeter 25 Top 14 champions Castres hit back from 14-0 down inside the opening 15 minutes to edge past Exeter 29-25 in the Heineken Champio(...)