None of the above. :-) My daughter was doing geometry homework that had a question about the direction of a baseball field and claimed they are often oriented

None of the above. :-) My daughter was doing geometry homework that had a question about the direction of a baseball field and claimed they are often oriented so that the batter faces east. I wanted to verify the assertion, and Google led me to this article. I was familiar with "southpaw" but always thought it was a boxing term and didn't know its etymology.