She had her long hair pulled back in a ponytail and wore an oversized T-Shirt that normally served as her uniform for her Saturday junior league.
Amanda Burgoyne, bowling in a youth pro-am, knows she probably looked younger than her age, which may have explained her competitors' initial reaction after she won the tournament.
"It was a nine-pin no-tap, so basically, if you left a nine pin standing, it would count as a strike," Burgoyne said. "I just kept getting nine after nine after nine, and they all counted as strikes.
"And I ended up beating all of these lady professionals.