Yahoo Sports reports: Jack Leiter struck out 10 in 5 2/3 scoreless innings and Ezequiel Duran tripled home two in a four-run first as the Texas Rangers earned their second series sweep this season with a 6-3 victory Sunday over the reeling Kansas City Royals. Kansas City (22-37) has lost six in a row and nine of 11. The Royals have won only seven road games, fewest in the majors.