Amy Mickelson

Woods had cheated on his wife; Mickelson won for his wife, Amy, who has breast cancer and was in the gallery for the first time this season to watch her husband.

Moments after a CBS camera spotted Amy Mickelson beyond the ropes of the 18th green, her husband birdied the 18th hole to win, and his joy turned to tears

Source: http://www.nytimes.com/2010/04/12/sports/golf/12sandomir.html