Major League Soccer
Chivas forward and Mexico international Alexis Vega will be out for 6-8 weeks after undergoing surgery on his right knee, his club announced.
This year's tournament, the seventh edition of the trophy, will host 12 clubs playing 18 matches across the United States, Europe and Asia.
Cibao FC will make its debut in the CONCACAF Champions League knockout rounds on Thursday.
Mexico national team players and the Mexican footballers' association are backing defender Oswaldo Alanis in his contractual dispute with Chivas.
