PORTLAND, Ore. (AP) — Portland Timbers midfielder Eryk Williamson is out for the season because of a left knee injury that will require surgery. Williamson tore his ACL during Portland’s 2-0 victory over the Sounders in Seattle. Williamson has played for the Timbers for three seasons, making 31 starts. He has four goals and seven assists with Portland. He also played for the U.S. national team in this summer’s CONCACAF Gold Cup.