In response to the concerns about the outbreak of swine flu in Mexico, Concacaf canceled the knockout phase of the Under-17 Championship in Tijuana to safeguard the health of players, officials and fans. In addition, the second leg of the Concacaf Champions League final between Atlante and Cruz Azul has been postponed from Wednesday to May 12.

The USA, Costa Rica, Honduras and Mexico clinched the four Concacaf berths at the 2009 FIFA U-17 World Cup scheduled to be played Oct. 24-Nov. 15 in Nigeria. The semifinals of the Concacaf tournament were scheduled to be played on Wednesday and the championship and third-place match scheduled for Saturday.

The decision to cancel the U-17 tournament was made Monday, the same day the Mexican government decided to close all schools nationwide. It earlier closed all schools in Mexico City.

The American team left Tijuana on Monday to return to Bradenton, Fla., where the players will return to training and classes at the Under-17 Residency Program. They had spent their day off Sunday at the Fashion Valley Mall in San Diego.

The second leg of the Concacaf Champions League final was to be played Wednesday in Cancun. Atlante, which will host the second leg, leads the two-game series, 2-0.

The Concacaf Beach Championship in Puerto Vallarta, scheduled to begin Wednesday and continue through Sunday, was postponed Tuesday.