<page_title> List of undefeated boxing world champions </page_title> <table> <cell> Romania Mihai Leu <col_header> Boxer </col_header> </cell> <cell> 1 <col_header> Title defenses </col_header> </cell> <cell> Retired from boxing due to an injury. <col_header> Notes </col_header> </cell> <cell> United Kingdom Terry Marsh <col_header> Boxer </col_header> </cell> </table>
Leu retired after one title defense, becoming the second boxer to retire as an undefeated world champion, after Terry Marsh.