,Cardiff had to settle for a bonus point after kicking off their European Challenge Cup campaign with a thrilling 37-26 defeat in Lyon.
Cardiff will feature seven new signings in their opening pre-season friendly against Ealing Trailfinders tomorrow at the Trailfinders Sports Club.
Cardiff were in contention throughout but two tries from international prop Nicky Smith and others from Justin Tipuric and Luke Morgan proved just enough.
England flanker Lewis Ludlam is set to return from a two-month absence tomorrow when he captains Northampton Saints against Newcastle Falcons at Franklin's Gardens in the Gallagher Premiership.
The home side were second best in terms of possession and territory but were the more clinical to achieve a morale-boosting bonus-point win.
Cardiff have signed former Bath winger Gabriel Hamer-Webb on a short term deal as injury cover for Josh Adams and Owen Lane.
Bath have confirmed that they will keep Russian international Valeriy Morozov, who recently joined the side following the demise of Worcester Warriors.
Out-of-favour England midfielder Ollie Lawrence has been given an immediate chance to quickly continue his club career as he has been named to start by Bath in this Saturday’s Gallagher Premiership fixture just days after joining on loan from Worcester.
Ollie Hassell-Collins and Ben Loader both scored hat-tricks as London Irish produced a breathtaking first-half.
