Abbott: Strange as it may seem, they give ball players nowadays very peculiar names. Costello: Funny names? Abbott: Nicknames, nicknames. Now, on the St. Louis team we have Who's on first, What's on second, I Don't Know is on third-- Costello: That's what I want to find out. I want you to tell me the names of the fellows on the St. Louis team. Abbott: I'm telling you. Who's on first, What's on second, I Don't Know is .