He actually won his first professional tournament on the Nike tour last year. Yet his request for a similar special circumstances exclusion form the PGA circuit was initially denied. Yet this has been a difficult case to make after the NCAA and the Nike Tour previously disagreed with the PGA and allowed Casey to use a cart. The notion behind this approval was that Martin was a fundamentally sound and competitive golfer. He may have trouble walking, but then again no one has ever watched the likes of Tiger Woods or Arnold Palmer to see how well they walk.
Golf is a game of strategy and shot making.
Of technique, accuracy and skill. No one has ever won a PGA event based on their incredible walking abilities. Martin has never asked for anything like special clubs, balls or tees which would effect his ability to make shots and therefore be unfair. Instead Martin only asked for assistance getting to and from each shot. Casey Martin will likely lose at least part of his leg in the near future.