PGA Championship tracker: Day 4 at Whistling Straits

The 97th PGA Championship takes place this week at Whistling Straits Golf Course in Sheboygan, Wis. GolfChannel.com is tracking the men's final major of the season through on-site reporting and social media. For additional coverage, click here for full-field scores. You can also check out our Day 2 blog here and all the riveting action from Day 3 here. All-times for the PGA tracker are Eastern Daylight Time (EDT).

12:07PM: Low scores are out there on Sunday. Take, for example, Ryan Moore, who's going low Sunday:

12:06PM: Here's a look at the hole locations for the final round:

The wind is expected to pick up in the afternoon, just as the leaders tee off. Here's final-round hole locations.…