PORTRUSH, Northern Ireland -- Shane Lowry is way out in front after three impressive days at Royal Portrush. But there are some big names -- Brooks Koepka the biggest among them -- lurking on the leaderboard. Oh, and there's bad weather expected to roll in -- rain and wind and who knows what else -- on Sunday.
So what is going to happen? We answer the biggest questions heading into the final round of The Open.