The group leagues held before the championship tournaments are leagues that winnow down the 32 countries that won through the qualifying matches to 16 countries. There are many famous group league matches from the past.
Looking at trends in recent international tournaments, in the championship tournaments all the countries play very carefully to avoid losing and soccer's real excitement is lost. However in the group league even though the teams have one eye on the championship tournament, with some cards, both countries play aggressively.

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