The 2007 edition of the Copa Sudamericana was played by 34 teams; 30 teams from the CONMEBOL and 4 teams from the CONCACAF. CONMEBOL organized the tournament and invited three North American clubs which were the best three of the CONCACAF Champions' Cup 2007; the fourth North American club was the defending champion Pachuca. The official draw took place on May 22 in Buenos Aires.