Barca to appeal Messi booking for diving
Messi was shown a yellow card for diving in the penalty area by referee Howard Webb in the first half of the 4-0 win over Bayern Munich and Guardiola was ordered to the stands for protesting the decision.
European football's governing body may not announce its decision on the appeals until after Tuesday's return leg in Munich but it was possible it would do so on Saturday, Barca said on their website.
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