The CONCACAF Champions League group play will begin this Monday as the Columbus face the Puerto Rico Islanders. The Crew are the defending MLS Cup Champions, while the Islanders were surprise semifinalists last season. The remaining teams (16) have been placed in four groups (A,B,C,D): A-Isidro Metapan, Arabe Unido, the Houston Dynamo, and Pachuca B-D.C. United, Marathón, San Juan Jabloteh, and Toluca C-Columbus Crew, Cruz Azul, Saprissa, and the Puerto Rico Islanders D-Comunicaciones, Pumas UNAM, Real España, and W Connection