Prosecutors say Kyacey Uscola was found guilty Friday of battery on a spouse or cohabitant, battery with serious bodily injury and corporal injury on a spouse or cohabitant.
The Sacramento Bee ( http://bit.ly/1aA0rqY) reports the 32-year-old Uscola has fought several professional fights for the Ultimate Fighting Championship.
Authorities say on June 15, 2013, he assaulted the mother of his child, leaving her with a punctured lung, eight broken ribs, two lumbar fractures and a life-threatening pancreas laceration.
His sentencing is scheduled for Feb. 14 in Sacramento County Superior Court.
Uscola has a prior domestic violence conviction.
Information from: The Sacramento Bee, http://www.sacbee.com