'Cause you had the talent to become a good fighter, and instead of that, you became a leg-breaker to some cheap, second-rate loan shark.
9 seconds sound clip from the Rocky (1976) movie soundboard.
You can hear this line at 00:54:27.439 in the Blu-ray version of the movie.
Quote context
[...]
- They're probably lookin' for sparrin' partners for Creed, you know?
- I said that before, you dumb dago!
- Yeah, I wanna know how come.
- Oh! You must be Mr. Rocky Balboa. Mr. Jergens is expecting you. Just a moment.
- Mr. Rocky Balboa to see you, sir. Fine.
- Will you please go in, Mr. Balboa.
[...]