(Reuters) - Paul Casey eagled the final hole to jump into a three-stroke lead after the third round of the Deutsche Bank Championship in Massachusetts on Sunday. Casey posted a 15-under 198 total, with American Brian Harmon (68) in second place on 12-under with one round left. Casey, 39, has won 13 times on the European Tour, but only once in the United States, where he now plays almost full-time. More...