On Saturday, Pioneer Square will be hopping with the Downtown Throwdown snow board exhibition in Occidental Square and a Seattle Sounders&rsquo; soccer match at CenturyLink Field. Saturday, October 8 Downtown Throwdown:&nbsp; 12 Noon &ndash; 4 p.m. Occidental Park &ndash; outdoor snowboard exhibition 2,000 attending No street closures, however, traffic may be heavy on the surrounding [...]