Yes, sir, this here is the boxing boy.
3 seconds sound clip from the The Greatest (1977) movie soundboard.
You can hear this line at 00:06:32.317 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, boy, come over here. Come over here.
- You know you're on Ms. Fairlie's private property?
- You know where you are, boy?
- John! You know this here nigger?
- Yes, sir, Mr. Harry, I know who he is. Ms. Fairlie told him to come. He's going to work here.
- Yes, sir, this here is the boxing boy.
- I'll take him up to the house.
- Scare me? He can't scare me. Can't nobody scare me. I don't scare.
- That sucker must not have known who he was messing with.
- You got a good thing about you.
[...]