Presidents Cup Birdies and Bogeys: Saturday\nFour up, four down. The dynamic duo from South Africa proved to be a dominant force this week at the Jack Nicklaus Golf Club. Fueled by close calls at majors this year, if the Internationals are able to pull off this major upset, these guys will be the main reason why. \nThe controversial captain's pick has been the U.S. squad's MVP thus far. From bunker hole outs to bizarre rules violations to cocky press conference remarks, he's also been by far the event's most entertaining figure. Mickelson backed up his talk with another four-ball victory on Saturday to help the Americans maintain their slim lead.\nAfter doing no wrong in the second part of summer, Day is struggling to do anything right in South Korea. The Wanamaker Trophy winner is 0-3-1 through the first three days of Presidents Cup action. Worse, Day's only contribution was a half point in the infamous Mickelson one-ball match, where the Americans gift-wrapped two points on one hole. If the Internationals win, it won't be due to Day's efforts. \nPhil has received most of the attention this week in South Korea, but his partner has been just as good. The elder statesmen tandem didn't quite match the record of the Oosthuizen/Grace pairing, but their 2-0-1 record has been a somewhat unexpected boost for an American team that finds itself battling in this event for the first time in years.\nAfter going 1-1 with partner Jimmy Walker the first two days, captain Haas tried to shake things up on Saturday by pairing Fowler with Reed. It didn't work. Fowler's cold putting continued as the two fell 3 and 2 to the Oosthuizen/Grace buzzsaw. Sure, losing to the South African duo this week is nothing to be ashamed of, but Fowler's career record in team competitions as a pro (1-5-5) is starting to be.\nUnlike Jason Day, Spieth's 3-1 record is more what you'd expect to see from one of the top players in the world. On Saturday, Spieth was the only U.S. player to earn two points, which allowed his squad to maintain its narrow lead. Spieth took down Day and Charl Schwartzel twice -- with two different partners. First, he won in foursomes with Dustin Johnson and then he brought the best out of Patrick Reed in the afternoon four-ball session. Combine this with his play at last year's Ryder Cup, and it looks like the U.S. has found a stalwart in team competitions for a long time to come.\nDifferent partner, same problem. Walker has struggled mightily with the big stick at Jack Nicklaus Golf Club this week. Captain Haas took Walker out of Saturday's foursomes, but his wildness proved costly in an afternoon four-ball loss. Speaking of that. . . \nWe're not forgetting about Walker's partner, who played equally as bad. Kirk is the only U.S. player to get shut out in points through three days, and his most recent loss was the low-point of the event for the Americans. Not only did he and Walker get drubbed 6 and 5 by Hideki Matsuyama and Sang-Moon Bae, but the two were so out of it that they thought they had lost the match a hole early. "You know you're getting whooped when that happens," NBC/Golf Channel's Johnny Miller said. "I've never seen that before."\nAs close as this competition is, it should have been even closer. All square on the final hole of his morning foursomes match and playing with Jason Day, Schwartzel left his team's second shot in the fairway bunker. It led to a bogey on the par 5 and a stunning loss to Jordan Spieth and Dustin Johnson, who trailed by one entering the 17th hole. \nC'mon, guys! No Jordan Spieth vs. Jason Day? Instead, Spieth is taking on Marc Leishman, and Day will play Zach Johnson. Also, whose idea was it to put Bill Haas, a player with one career win in international team play, in the anchor match? Oh. Right. On the bright side, no matter how things unfold on the final day, we've gotten the competitive Presidents Cup the event desperately needed.