CARMEL, Indiana (Reuters) - World number one Rory McIlroy birdied his final two holes to earn a four-way share of the clubhouse lead in the first round of the BMW Championship on Thursday while playing partner Tiger Woods was a shot back. McIlroy, fresh off his win at the Deutsche Bank Championship on Monday, mixed an eagle, seven birdies and a lone bogey for an eight-under 64 at Crooked Stick ...