Stacy Lewis during the KPMG Women’s PGA Championship at Hazeltine National Golf Club. (Brian Spurlock-USA TODAY Sports)

4. Stacy Lewis

The last American to reach No. 1 in the world and earn LPGA Player of the Year (2012 and 2014). Won her second major title at the Home of Golf and 11 of her 12 career victories in this decade. Two-time winner of the Vare Trophy (2013, 2014).