Back in March boxer Floyd Mayweather's estranged baby mama, Josie Harris, was found unresponsive in front of her home in Valencia, CA [click here if you missed that].
Josie's cause of death has been revealed ....
According to the medical examiner's report the cause of death was listed as an accidental overdose caused by mixed drug toxicity.
The toxicology report found a lethal combination of the prescription drugs Fentanyl and Xanax.
