whistling straits
![](https://a.espncdn.com/media/motion/2015/0815/dm_150815_golf_digitaldrive_saturday/dm_150815_golf_digitaldrive_saturday.jpg?w=660&r=16%3A9)
Jason Day's 6 under leads round of low scores in PGA Championship
Jason Day shot 6-under 66 on Saturday to take a 2-shot lead over Jordan Spieth, who made six birdies in his last eight holes, into the final round of the PGA Championship.