i need help finding a movie from when i was a kid. its about the last human boxer fighting aliens.?

Question

I saw this movie when I was a kid about this guy who was a boxer but the only thing is he lived in space and boxed aliens. He was the last human boxer it was the coolest movie ever but I can't think of the name if anyone has any Idea's please let me know so I can find this movie.

so can someone please help me out with this.

Answer 1

...perhaps 1989's "Arena"???

...check it out, here!!1