Tom Hanks has gone back to his hot dog-selling roots to make Oakland Athletics players feel at home in an empty baseball park.The A League of Their Own star has added his voice to the atmospheric noise that will be played at A’s games as their delayed season begins on Friday.Hanks will be heard offering up ballpark food and other concessions during games to make it sound as if people are in the stands.His offerings will include “Hot dogs here! Colossal hot dogs!” and “It’s not a ballgame without