Arrieta moves to 9-0 and Cubs edge Cardinals 9-8

ST. LOUIS (AP) – Jake Arrieta remained unbeaten on the season despite allowing as many as four runs for the first time in nearly a year and the Chicago Cubs beat the St. Louis Cardinals 9-8 on Wednesday. Arrieta (9-0) joined the White Sox’s Chris Sale as the only nine-game winners in the majors. Arrieta…