FC Barcelona will be without superstriker Lionel Messi and several other starters when it takes on Celtic in Glasgow this week in the second round of Champions League group play.

The scenario heading into Tuesday's match is reminiscent of the last time Barça came to Celtic Park, when a banged-up Catalan squad lost 2-1 to the home side.

Celtic, badly needing points after losing its Champions League opener to AC Milan, is counting on Georgios Samaras - who notched a hat trick in Saturday's 5-2 rout of Kilmarnock - to exploit Barcelona's injury woes.

With Messi expected to miss up to three weeks, Barça coach Gerardo "Tata" Martino will have to reconfigure the offense around the club's latest prize acquisition, Brazilian phenom Neymar.

Barcelona started their 2013-2014 Champions League campaign with a resounding 4-0 victory over faded powerhouse Ajax, but can't afford to take Celtic lightly.

Both of last year's group matches between the Spanish and Scottish league leaders ended with identical 2-1 scores and Barça needed a goal in injury time to eke out a home win over Celtic. EFE