In the Premiership, the Exeter Chiefs lost 12-9 at home to Leicester Tigers.
A try-less contest was won by four Toby Flood kicks. Gareth Steenson kicked three penalties for the hosts, and he had an opportunity to snatch a draw in the last minute, but his kick fell just short of the posts.
In the Championship, Plymouth Albion won 16-9 at London Scottish. Aaron Carpenter scored the only try of the match in the first half, with the rest of Albion's points coming from the boot of Declan Cusack.
The Cornish Pirates' match at Rotherham Titans was called off because of snow.
Yeovil Town's Championship survival hopes were severely dented last night, but Plymouth Argyle have edged closer to the League 2 play-offs.
All three of Devon's Football League teams suffered defeats, but Yeovil's Championship survival battle received a boost at Blackpool.
Exeter's Gareth Steenson missed a conversion attempt with the last kick of the match as Gloucester won 14-13 at Sandy Park.