Matt Jones refused to back down early Saturday morning as he capped off a second-round 67. Jones took a two-shot lead over fellow Australian Jason Day heading into Saturday's third round.
But there are plenty of big names lurking in contention, with the likes of Justin Rose, rookie Tony Finau and 22-year-old Jordan Spieth in striking distance.
Follow the action from the year's final major live with our PGA Championship tracker, and be sure to scroll down to see coverage from the week:
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Photos from the 2015 PGA Championship with Tiger Woods, Jordan Spieth and Rory McIlroy at Whistling Straits.