Warriors back-row forward Caleb Montgomery helped Cornish Pirates to maintain the pressure on Championship leaders Ealing Trailfinders with a 26-13 win against Ampthill at Dillingham Park on Saturday.
Montgomery, who is on loan at Pirates, came on as a 57th minute replacement and helped them to see out the match having gone 26-3 up after 23 minutes.
Hooker Joe Richardson started for Coventry who had to settle for a losing bonus point in a 29-24 defeat by hosts Jersey Reds at the Stade Santander International.
Loosehead prop Ben Murphy and lock Cheick Kone both started for Luctonians who went down 27-0 to Sheffield Tigers at Dore More.