A second half try by Jamie Robinson and five points from the boot of Iestyn Harris were not enough to save the Blues as they went down 31-10 to Munster at Musgrave Park in Cork.
To complete the Blues' woes Tom Shanklin was yellow-carded in a first half when they felt the full force of referee Iain Ramage's whistle and, after the break, replacement hooker Andrew Lewis was carried off with what appeared to be a leg injury.
Wales will host the opening games of the Singha Premiership Rugby 7s Series at the BT Sport Cardiff Arms Park as the four Welsh Pro teams go head-to-head in an exciting afternoon of summer derby rugby.
One of the most eagerly awaited events of the British motorsport calendar - the British FIM Speedway Grand Prix - will return to the Millennium Stadium on Saturday, July 4 - and at Cardiff Blues we've got FIVE PAIRS of tickets up for grabs!
The players at Cardiff Blues will be hoping to play with some true Gallic flair for the rest of the Guinness PRO12 season - after the region teamed up with a successful French bistrot in the Welsh capital.