Earned his place in the field by advancing to the championship match of the 116th U.S. Amateur Championship at Oakland Hills Country Club, where he lost to Curtis Luck. Completing his sophomore season at the University of Oklahoma, where his father, Bill, was a linebacker on the Sooners' 1975 national championship team and his mother, Kay, played on the first OU women's golf team. He won the the NCAA Stanford Regional in mid-May to help get the Sooners to the NCAA Championship. Dalke won the 2015 Junior PGA Championship, which earned him a start in the PGA Tour's Valero Texas Open in 2016. He also represented the USA in the 2014 Junior Ryder Cup and last year's World Amateur Team Championship in Mexico.