LAS VEGAS – Two days after avoiding a nine-game losing streak, the St. Louis Blues ended a nine-game winning streak by the Las Vegas Golden Knights. Just a couple of blocks off the Vegas Strip, the Blues improved to 5-8-0 with 3-2 triumph for their second straight victory. The Golden Knights, who were hoping to tie a franchise record with their 10th straight win, fell to 13-3-0 for the season. The next stop for St. Louis is Colorado and the defending Stanley Cup-champion Avalanche. Perhaps the arrival there of the players’ mothers for the team’s very first Mom’s trip will provide an additional…