In June, Jackson Koivun announced he was going pro. Less than two months later, in his third PGA Tour start, the 21-year-old shot 25 under par to win the 3M Open at TPC Twin Cities in Blaine. Koivun became the first player ever to sweep all four major collegiate awards in a single season at Aub...

Source: [Yahoo Sports](https://sports.yahoo.com/articles/future-golf-jackson-koivun-wins-223700204.html)

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