Sam Warburg is an American retired tennis player.
Sam Warburg at the 2007 US Open
2008 US Open – Men's singles
Four-time defending champion Roger Federer defeated Andy Murray in the final, 6–2, 7–5, 6–2 to win the men's singles tennis title at the 2008 US Open. It was his fifth US Open title and 13th major title overall, as well as his only successful title defense in the majors that year. He moved to second place on the all time men's singles Grand Slam wins list, passing Roy Emerson.
Second seeded Roger Federer won the tournament for the fifth year in a row.