Dublin: A blond-haired Lionel Messi failed to get on the scoresheet but it hardly mattered as under-strength Barcelona taught Celtic a footballing lesson in a Dublin friendly on Saturday.

Barcelona-s Argentinian forward Lionel Messi R runs with the ball during the pre-season International Champions Cup football match between Spanish champions, Barcelona and Scottish Premiership champions, Celtic at the Aviva Stadium in Dublin, Ireland. Pic/AFP