No. 2-ranked Johnny Bumphus ran his record to 15-0, stopping Ricardo Jimenez of Mexico in the eighth round of a scheduled 10-round junior welterweight bout in MacAffee, N.J.

Bumphus, hoping for a title shot by next spring, won every round before referee Paul Venti stopped the one-sided bout at 1:16 of the eighth round . . .

Tony Ayala, the No. 2-ranked junior middleweight, is to enter a Southern California facility Wednesday for a four-week treatment for "personal problems," his promoter confirmed in McAfee, N.J. "Tony Ayala has personal problems and one of the problems has to do with his inability to handle alcohol when he drinks," said Dan Duva, president of Main Events, Inc., which promotes Ayala. "He does not have an addiction to alcohol. I'm not a doctor. As far as I can determine, he doesn't." Ayala, 19, who has a 21-0 pro record with 18 knockouts, was arrested and charged with burglary after he was found in a home one block from his residence in San Antonio last week. Ayala's attorney and his managers issued a statement that Ayala became intoxicated after breaking up with his wife and wandered into the unlocked residence by mistake.