JOPLIN, Mo. — Joplin scored two goals in a three-minute span on the way to a 2-1 victory over the Fort Worth Vaqueros on Saturday night.The Demize scored in the 15th and the 18th minutes. Again two soft goals early hurt us, Vaqueros coach Mark Snell said. I feel like we dominated possession and once again fought hard to come back.The Vaqueros have fallen behind 2-0 in the past three South Central Conference matches in the National Premier Soccer League.They were able to recover for a 2-2 draw against the Liverpool Warriors. But they have managed only second-half goals in back-to-back losses to Oklahoma City and Joplin.Hilton Ngwa scored the Vaqueros only goal Saturday with a penalty kick in the 70th minute.