SHEBOYGAN, Wis. (AP) ' The Latest from the PGA Championship at Whistling Straits (all times local):2:12 p.m.Maybe Phil Mickelson's key to success with the putter is not using it at all.Mickelson, who missed a couple of birdie putts inside 10 feet earlier in the final round of the PGA Championship, chipped in from a greenside bunker on No. 6 for an eagle.He is 7 under for the tournament, eight behind leader Jason Day.___1:57 p.m.And, they're off.Jason Day and Jordan Spieth opened the final round of the PGA Championship by hitting nearly identical drives. Both traveled 313 yards and landed in the fairway.They hit their approach shots onto the green and two-putted for par.Day is at 15 under, and Spieth at 13 under. The two players behind them, Justin Rose and Branden Grace, also opened with pars and are at 12 under.___1:30 p.m.Dustin Johnson is running into more bunker trouble ' and every other kind of trouble ' at Whistling Straits.He just made an 8 to open his round, after needing three shots to get from a bunker to the first green.The quadruple bogey dropped him to 5 under ' 10 shots behind leader Jason Day, who is about to head to the first tee box.At the PGA at Whistling Straits in 2010, Johnson grounded his club in a bunker on the final hole and took a two-shot penalty that kept him out of a playoff.___1:03 p.m.Lefty's putter isn't quite so friendly today.Phil Mickelson missed two birdie putts inside of 10 feet on the second and third holes and is even par for the day.Mickelson made a few long ones Saturday during a round of 6-under 66.He is too far out of the lead ' 10 behind Jason Day ' to contend, but needs a strong finish to improve his ranking on the Presidents Cup list.___12:20 p.m.Well, if this doesn't work out, there's always 2016.Spotted on the course: A band of fans handing out T-shirts that read 'Spieth for President,' with a picture of the man himself, encircled by a red-white-and-blue flag logo.If Jordan Spieth wins the PGA, he'll be the first player to capture all three U.S. majors in the same year.___11:27 a.m.Jordan Spieth is on the driving range warming up for the final round of the PGA Championship.He's going for his third major of the season, hoping to add a victory at Whistling Straits to those from Augusta and Chambers Bay earlier this year.If Spieth wins, this would mark the first time since 1982 that Americans swept the majors. The names back then: Craig Stadler (Masters), Tom Watson (U.S. and British Open) and Raymond Floyd (PGA).Spieth needs to overcome a two-shot deficit against Jason Day, the Australian who is trying to win his first major after a number of close calls.___10:38 a.m.The final round of the final major of the year is under way.Good scores are available.Teeing off early Sunday, Ryan Moore made six birdies and played the front nine in 6-under 30.Kevin Chappell is 4 under for the day through 12 holes.Thirty of the 77 players shot rounds in the 60s on Saturday.That included Branden Grace, who shot 64 to move into third place, three shots behind leader Jason Day, who shot 66 to head into the final round at 15 under.Jordan Spieth shot 30 on the back nine to pull within two of Day.Spieth and Day tee off in the last twosome this afternoon.Join the conversation about this story Click here to read full news..