Breaking News

Getty

Cleveland Cavs player Kevin Porter Jr. allegedly punched a woman in the face and ripped off her wig during an altercation back in August ... but Porter's attorney says the claim is bogus.

The allegations are spelled out in police reports obtained by TMZ Sports ... which detail an August 16 incident involving Porter, his sister and two other women.

The 2 alleged victims told police things popped off when "words were exchanged" at an apartment complex in Downtown Cleveland ... and things escalated from there

One of the alleged victims told cops Porter's sister struck first -- punching one of the women in the face.

That's when, the women say, Kevin jumped in ...

"At this time, Mr. Porter threw his drink in the face of [an alleged victim] and then ripped the wig off her head and then punched her in the left side of her face causing slight swelling visible at the time of this report," the police report says.

Cops say they spoke with a witness who saw the whole incident and backed up the two women ... claiming the Porters were the aggressors.

In fact, the witness says she saw Kevin Porter with one of the women's "weave in his hand when he then punched [one of the women] in the face causing her to [fall] into the refrigerator."

When cops arrived, they noted both of the women who allegedly fought with the Porters had visible injuries.

The woman who was allegedly struck by the NBA player had a swollen left cheek, cops say. The other woman had a broken fingernail and a small lump on her forehead.

Both women opted to NOT receive medical treatment at the time of the incident.

Cops say they told the two

Read more from our friends at TMZ