You're no champion. I know you're in there somewhere.
4 seconds sound clip from the The Greatest (1977) movie soundboard.
You can hear this line at 00:28:45.632 in the Blu-ray version of the movie.
Quote context
[...]
- Yes. It's going to be... Trouble? I don't really know. He's not here to play checkers.
- So, I'm calling you now. Call the police, or get the newspapers, because you have a scoop.
- I've come to haunt you. I've come to haunt you.
- Sonny Liston, where do you live, you big, ugly bear?
- You big, ugly bear. I know you're out here somewhere.
- You're no champion. I know you're in there somewhere.
- Get off my land! You black faggot bastard!
- You!
- Get that bus away from here.
[...]