Which Olympic gold-medalist recently expressed sympathy for Tiger Woods and his family after the exposure of the golfer's extra-marital affairs?

Michael Phelps, the Olympic swimming champion with multiple gold medals, expressed sympathy for Tiger Woods and his family after Woods' marital infidelities became public. As a fellow high-profile athlete who had faced intense media scrutiny, Phelps could relate to the personal challenges. Nadal, Bolt, and Bindra were not the ones who made this particular public statement.