Professional bull riders strode into the Chesapeake Energy Arena in Oklahoma City last weekend, and 22 of them, including Cody Nance, were tossed off their bulls and hit the dirt. In the end, one rider was left standing: 20-year-old Derek Kolbaba, who walked away with first place—and $45,087 in winnings—in the Express Employment Professional Invitational, the third event of the 2017 Built Ford Tough Series.
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