Plymouth Albion have lost 30-23 to Jersey at Brickfields.
Albion scored three tries in the second period, including two in the final minutes of the match, but were unable to overturn a half-time deficit of 13 points.
And the Cornish Pirates host third-placed London Welsh at the Mennaye Field tomorrow afternoon (3pm).
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.