Each week, GolfChannel.com takes a look at the players who made moves up - and down - the various ranking systems in the world of golf.
Here's a look at this week's Biggest Movers, as Rory McIlroy inches closer to the top spot in the world rankings and Paul Casey continues his climb despite a tough final round:
• McIlroy moved up two spots to No. 3 after erasing a six-shot deficit at the Deutsche Bank Championship. It marks his highest ranking since he dropped to fourth following a missed cut at the U.