Leigh Halfpenny landed five conversions for Wales in a 49-26 win while Alun Wyn Jones captained a Barbarians side featuring Justin Tipuric.
Leigh Halfpenny looks set to continue his rugby career in the southern hemisphere after he makes a final Wales appearance on Saturday.
The encounter is a tribute to Wales’ record cap holder Alun Wyn Jones following his retirement from Test rugby in May.
Ospreys kept alive their hopes of winning the Welsh Shield with a 37-18 bonus-point win over ill-disciplined Dragons.
Dragons RFC have made the bold move of sacking director of rugby Dean Ryan just one game into the new season.
Dragons have confirmed a mass exodus of players from the club which now amounts to a total of 20 athletes since the season began.
PRO14 outfit Dragons face a daunting Challenge Cup task at Bristol but Wales pair Jamie Roberts and Jonah Holmes will make their club debuts.