Barça was lucky to get away with a win, which was not the case on Saturday with a disastrous 3-1 loss against Levante that almost cost them first place in La Liga.
Both sides had goals disallowed for offside after the video assistant referee (VAR) intervened, as first Jan Boril's close-range finish was ruled out, and then Arturo Vidal's finish was chalked off after Messi was penalised in the build-up.
FC Barcelona were held to a surprising 0-0 draw in the Champions League at home by Slavia Prague on Tuesday night.
The Czechs, who were unfortunate to lose 2-1 at home to Barcelona two weeks ago, made a bright start and almost took an early lead with a heavily-deflected shot which was repelled by the Catalans' goalkeeper Marc-Andre ter Stegen.
"Playing like this it's hard to see us winning the Champions League", said Barca defender Gerard Pique. "The results have not helped us out in these last few games, and when you chain two games together without winning at Barcelona, people want more as there are high demands".
The Liberals & The NDP Will Not Be Ganging Up After All
Trudeau appeared Wednesday to attempt a more conciliatory tone as he seeks a way to keep his minority government afloat. Despite Monday's loss, Tories made gains on their seat count - they won 99 seats in the 2015 federal election.
Prague are now bottom of the group, with just two points from four matches.
The Catalan giants saw their hopes of progressing to the knockout stages of the competition dealt a blow on Tuesday as they slipped to a 0-0 draw at the Nou Camp.
"The sensations have not been completely bad: we have generated and they have not generated", he said, adding that "we did not expect them to play with such an advanced line and we had to restructure the team". "But that means that in three days we can turn it around".
'Jordi Alba has had a relapse of the left biceps femoris muscle injury.
The club's statement did not say how long the Spaniard would be out for but Spanish media reports said he could be missing for three weeks.