Boxer Teofimo Lopez Says He's Gonna Slap the S**t Outta Vasyl Lomachenko

Teofimo Lopez says the violence won't end when the bell rings Saturday night ... 'cause he's promising to attack the world's top pound-for-pound boxer -- and he even wrote the TMZ headline for when it goes down.

"Teofimo Slaps The S**t Outta Viva Lomachenko!!"

Yeah, he's probably playin' around ... but you get the point. Teofimo wants to put hands on Lomachenko.

22-year old Lopez is 14-0 with 11 KOs ... and is considered one of the best young prospects in the entire sport.

He's fighting IBF champ Richard Commey Saturday night at Madison Square Garden ... and, while he's super focused on keeping that undefeated record, he admits he's got his eye on a fight with Vasyl Lomachenko.

"I think Saturday night, I kinda put the exclamation point on it, showing everybody that we are ready to take on who they say is the pound-for-pound best. For me, I don't see him as the pound-for-pound best."

If Teofimo wins, a fight with Vasyl is likely to go down in 2020 ... or sooner. As in Saturday night ... 'cause Lopez says VL will be in the building

"He'll be in New York for the fight and everything to watch ringside," Lopez says ...

"So, I get to slap him afterward. It'll be cool."