*Chicago Bulls point guard C.J. Watson, who’s name suddenly popped up in the Floyd Mayweather Jr. domestic violence case, is stating that he is not dating the boxer’s baby mama – despite what she told police.

As previously reported, Josie Harris told Las Vegas authorities that Mayweather attacked her last week after seeing text messages on her phone from Watson, and asking her point blank if she was having sex with him. When she answered, “Yes, that is who I’m seeing now,” he became violent, Harris stated.

But multiple sources close to C.J. — including his father Charles Watson — tell TMZ that the NBA player is only in a relationship with his longtime girlfriend Danielle — with whom he has a child.

C.J.’s dad — who says he speaks to C.J. daily — also tells the website, “I know for sure that Josie is not his girlfriend … she did some event planning for C.J., but other than that, they have no relationship whatsoever.”

Charles adds, “C.J. would never do anything like that to Mayweather [Jr.] … he doesn’t need that.”

Mayweather was arrested for grand larceny on Friday for allegedly taking off with Harris’ Apple iPhone 4, valued at $322.17. Authorities were continuing to investigate the domestic violence allegations.

The 10-year-old son of Harris and Mayweather told police he “saw his dad was on his mother and was hitting and kicking her.”