Hope Solo 911 Call -- She's 'Going Psychotic ... F**king Beating People Up!' (AUDIO)

TMZ Sports has obtained the 911 call made during Hope Solo's alleged violent rampage -- in which the frantic caller tells the operator Solo is "f**king beating people up!"

The call was made early Saturday morning ... when the Team USA soccer star allegedly attacked her sister and her 17-year-old nephew.

The man who called 911 told the operator, "Hope Solo is going psychotic ... she's f**king beating people up!"

He added, "We need help!"

Cops raced to the scene and said the sister and nephew had visible injuries -- and Solo was arrested for domestic violence. Her nephew later said he pulled a BB gun on Solo during the altercation in an effort to stop Solo from continuing her attack.