Canada coach Jesse Marsch expressed outrage Friday, saying Vancouver Whitecaps players had been "poisoned" during their visit to Mexico for the CONCACAF Champions Cup final.

The Whitecaps canceled practice Wednesday and had a modified session for cleared players Thursday after players and staff reported gastrointestinal symptoms. The Whitecaps are scheduled to play the Seattle Sounders in a Cascadia Cup rivalry match at BC Place on Sunday.

Canada head coach Jesse Marsch alleged Friday that Vancouver Whitecaps players were "poisoned" during their trip to Mexico for the Concacaf Champions Cup final.