Larry David and Bill Cosby at Sox v. Yankees

Boston, MA, Sept. 13, 2012: Actor and comedian Bill Cosby signs a ball for Boston’s catcher Ryan Lavarnway before a game between the Boston Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)

Boston, MA, Sept. 13, 2012: Actor and comedian Bill Cosby talks with Boston bench coach Tim Bogar before a game between the Boston Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)

Boston, MA, Sept. 13, 2012: Actor, writer, comedian, and television producer Larry David talks with actor and comedian Bill Cosby and Boston Red Sox chairman Tom Werner before a game between the Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)

Boston, MA, Sept. 13, 2012: Actor, writer, comedian, and television producer Larry David talks with Boston Red Sox manager Bobby Valentine before a game between the Boston Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)

Boston, MA, Sept. 13, 2012: Actor and comedian Bill Cosby throws out the first pitch before a game between the Boston Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)

Boston, MA, Sept. 13, 2012: Actor and comedian Bill Cosby laughs with Boston Red Sox bench coach Tim Bogar after Bogar caught his pitch during the pre-game ceremony before a game between the Boston Red Sox and the New York Yankees at Fenway Park. (Photo by Amanda Swinhart/Boston Red Sox)