Portland Timbers head coach Caleb Porter pleads with referees for a call while facing the Colorado Rapids in the first half of an MLS soccer match Saturday, June 17, 2017, in Commerce City, Colo. (AP Photo/David Zalubowski)
Seattle Sounders coach Brian Schmetzer, right, talks with Portland Timbers coach Caleb Porter before a U.S. Open Cup soccer match, Tuesday, June 13, 2017, in Tukwila, Wash. (AP Photo/Ted S. Warren)
Portland Timbers coach Caleb Porter gives a thumbs up to the crowd as he walks onto the field an MLS soccer game against the Philadelphia Union in Portland, Ore., Saturday, March 8, 2014. (AP Photo/Don Ryan)