Most of the sets are liscenced, disney, starwars, marvel etc. They do have a line of Lego people that are different non licensed people. Such as a beach pack with surfers, a camping pack, etc. They may have something within that line. Or you can do the build your own Lego at the store and make a lego person that is a baseball player
Go to a lego store like one of the feedbacks you got you can probably build some sport characters of your choice.
They may have something
This is a public forum that lego does not check. You should probably call them.
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