<page_title> B.J. Penn </page_title> <section_title> Mixed martial arts record </section_title> <table> <cell> Win <col_header> Res. </col_header> </cell> <cell> Diego Sanchez <col_header> Opponent </col_header> </cell> <cell> UFC 107 <col_header> Event </col_header> </cell> <cell> December 12, 2009 <col_header> Date </col_header> </cell> <cell> Defended the UFC Lightweight Championship. <col_header> Notes </col_header> </cell> </table>
Penn fought Diego Sanchez for the UFC Lightweight Championship on December 12, 2009 at UFC 107.