It was Durocher's wife that said, "nice guys finish last."

What Durocher said was in response to someone asking him why he wasn't a nice guy. He said something like:

See those guys over there (The Brooklyn Dodgers, if memory serves)? They're nice guys. They're in seventh place (which wasn't last since there *were eight teams in the league (unless that was the same year that someone else suggested that the Dodger's *weren't in the league)).