World No. 2 Jeeno Thitikul is halfway home to her first major victory, as she will take a three-shot lead into the weekend at the KPMG Women’s PGA Championship in Frisco, Texas.

Call her semi-retired. Or a part-timer. But as Lexi Thompson showed Friday in sweltering, blustery conditions, she’s no less competitive, especially when a major championship is on the line. Thompson’s 2-under 70 in the second round of the KPMG Women’s PGA Championship was the equivalent of going low on a day in which under-par rounds were as scarce as shade on the virtually treeless