The 2010âÂÂ11 CONCACAF Champions League group stage was played from August to October 2010. The matchdays were August 17âÂÂ19, August 24âÂÂ26, September 14âÂÂ16, September 21âÂÂ23, September 28âÂÂ30, and October 19âÂÂ21, 2010.
The draw for the preliminary round and the group stage was held on May 19, 2010, at the CONCACAF headquarters in New York City. Teams from the same association (excluding "wildcard" teams which replace a team from another association) may not be drawn with each other.
A total of 16 teams competed, which included 8 automatic qualifiers and 8 winners of the preliminary round. The teams were divided into four groups of four, where each team played each other home-and-away in a round-robin format. If two teams were tied on points, the following tie-breaking criteria shall be applied, in order, to determine the ranking of teams:
The top two teams of each group advanced to the championship round.
All Times U.S. Eastern ()
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