Yahoo Sports reports: Jun. 26—MITCHELL — Already one of the top high school golfers in South Dakota, Asher Dannenbring has shifted into a new gear this summer. The results speak for themselves. A win in the season-opening Sanford International Series stop in Yankton on June 9. A top-35 showing at the Wyndham Clark Junior tournament in Colorado while facing top competition from across the western United States. Most ...