By Chris Rosvoglou It’s a little chilly this Saturday for the third round of the PGA Championship. Just by looking at Louis Oosthuizen’s outfit though, you’d think the players are dealing with frigid conditions this morning. Oosthuizen, 39, is legitimately bundled up on the golf course this Saturday. ESPN’s Scott Van Pelt was a bit surprised by the former Open champion’s appearance. Photos of Oosthuizen’s outfit quickly surfaced on Twitter. Oosthuizen entered the weekend at 4-over par. He was right on the cut line for most of Friday’s round. So far, it appears the weather has affected Oosthuiz…