HIS RING CAREER ENDSyoung griffo compelled to retire prom arenaValvular Affection, of the Heart Which May Bring Death at Any Time the - Cause—Examination hy Physician Discloses Condition and Impels Chicago Athletic Club to Refuse to Allow Him to Fight.Chicago, Dec. IS.—-Albert Griffiths, known in sporting circles as “Young Griffo.” the lightweight pugilist, has) been forced to quit the ring because of a valvular affection of the heart that may bring death to him in the ring any time. Late today Dr. McGregor, physician for the Olympic Athletic club, examined Griffiths, and because of this weakness refused to allow him to enter j the match fpr which he was scheduled » tonight.