Method Man is a protective father.
And he has a long memory.
According to law enforcement sources, the 53-year-old hit another gym-goer seven times in the face with a closed fist at a Crunch Fitness gym on Staten Island.
The 28-year-old victim had dated Meth's daughter over a decade ago.
The man reported feeling dizzy but refused medical attention.
A police report was filed, but Meth has yet to be arrested.