Need advice on a lot

I bought a small piece of land in tax foreclosure in Texas. It was zoned commercial and it was .49 acres.
I found out it was a first base of a baseball field in a subdivision. This includes the pitcher mound and the bases. I offered to sell it to the association and even offered owner financing but they wouldn’t buy it.

I was wondering if anybody has any ideas what I can do with this lot . Would I be able to put a commercial structure on it? Would I be able to fence it?

I would appreciate an expert input on that