By ROGER PANTING

Gloucester .........23pts
Tries: Blake 30
Penalties: Carreras 6, 18, 34, 49, 60, 65

Ospreys............... 13pts
Tries: Giles 13
Conversions: O Williams 13
Penalties: O Williams 22, 40

Main man: Zach Mercer on the front foot for Gloucester
PICTURES: Getty Images/ Alamy

ONCE again the goal-kicking of Santiago Carreras was the key factor in Gloucester progressing in the European Challenge Cup.
Last Friday, the Argentinian international fullback kicked 15 points in their 30-25 win over Castres and he followed up with another 18 points as his side won an attr...