It's a gutter war, no holds barred in Moscow.
6 seconds sound clip from the Rocky IV (1985) movie soundboard.
You can hear this line at 01:16:04 in the Blu-ray version of the movie.
Quote context
[...]
- You got him! You got him! Yes!
- Go!
- Go!
- And now the Russian wants to go on!
- He grabs Rocky Balboa by the throat.
- Balboa picking up the Russian and throws him to the ground like a wrestler.
- It's a gutter war, no holds barred in Moscow.
- Rocky may be on the receiving end so far, but he's here to fight.
- This is shaping up to be a personal war, and right now it's anybody's boxing match.
- You're doing good, Rocky. Couldn't do better myself.
- Thanks.
[...]