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The four-year-old competition will remain a 24-club tournament, but instead of an initial knockout...
The four-year-old competition will remain a 24-club tournament, but instead of an initial knockout phase of 16 teams, all qualifiers will proceed to a main stage of eight, three-team groups, from which only the winners will advance to the quarterfinals.
The knockout, or Championship Round, will not be altered.
— Concacaf Main | Champions League Home | Champions League News | Champions League News | Preliminary Round eliminated from CCL
This will result in fewer games early so less travel. Three team groups can get clunky, but only 4 matches rather than 8 is a significant change.
Sigi had some ideas about CCL formats in the past so that gets added to the list today.

