By Melanie Hauser, PGATOUR.COM Correspondent AUGUSTA, Ga. -- Another week, another chance. Only this time, it's at a major. Louis Oosthuizen led by two going into the final round of the Shell Houston Open last week, but struggled early, came back at the end and finished third. Tomorrow, the former British Open champ starts Masters Sunday two shots behind leader Peter Hanson. "I felt like I hit it really well,'' said Oosthuizen who is playing in his fourth Masters, but missed the cut in his first three.  "I felt I was probably ‑‑ left quite a few birdies out there the way I was hitting it.  I'm happy to be 2 behind going into Sunday.'' And, anything can happen. Heck, it did Saturday. Oosthuizen was one of the eight players who led or had a share of the lead during round three. Which gives him a chance at his second major title.