<page_title> List of Strikeforce champions </page_title> <section_title> Welterweight Championship </section_title> <table> <cell> United States Nick Diaz def. Marius Žaromskis <col_header> Name </col_header> <row_header> 1 </row_header> </cell> <cell> The title was vacated on June 9, 2011 when Diaz's contract was absorbed by the UFC. <col_header> No. </col_header> <col_header> Name </col_header> <col_header> Event </col_header> <col_header> Date </col_header> <col_header> Defenses </col_header> <col_header> 1 </col_header> </cell> </table>
Nick Diaz vacated his Strikeforce Welterweight Championship title.