By Mark Lamport-Stokes AKRON, Ohio (Reuters) - Still feeling a little fatigued, British Open champion Phil Mickelson said he paid the price for a sub-par buildup to the WGC-Bridgestone Invitational after closing with a one-over 71 in Sunday's final round. The American, who was in euphoric mood after winning his fifth major title in stunning style at Muirfield in Scotland two weeks ago, mixed three bogeys with two birdies to finish in a tie for 21st at one-over 281. ... More...