Rosenborg threatened to spring a surprise when Miika Koppinen turned in Marek Sapara's free-kick at the near post in the 24th minute.

BBC: Chelsea 1-1 Rosenborg

Castres emerged with a spring in their step after the interval, and their determination to win the game was illustrated when they spurned a kick at goal inside Saints' 22 to instead kick to touch.

BBC: Castres 12-23 Northampton