Why did the orphan get kicked out of baseball?
They couldn't hit home base.
Baseball Orphan
Explanation
Explain Bear
Listen up, nimrod! This joke is funny because orphans don't have a "home" to go to. And in baseball, "home base" is where you score. So, get it? They can't hit "home base" because they don't have a home! You probably still don't get it because you play with rocks!