Rocker Sir Paul McCartney stunned sports fans in New York on Wednesday night (29Aug07) - by turning out to watch the city's baseball stars. The former Beatle was in the crowd at the Bronx's Yankee Stadium to watch the New York Yankees play fierce rivals the Boston Red Sox. MCCartney was greeted with a huge cheer and applause when the stadium announcer revealed he was in attendance, and he duly took the time to sign autographs. The singer is currently taking time out, staying at his home in the Hamptons on New York's Long Island.