<page_title> List of Strikeforce champions </page_title> <section_title> Middleweight Championship </section_title> <table> <cell> Brazil Ronaldo Souza def. Tim Kennedy <col_header> Name </col_header> <row_header> 4 </row_header> </cell> <cell> 1. def. Robbie Lawler at Strikeforce: Diaz vs. Cyborg on Jan 29, 2011 in San Jose, CA, USA <col_header> Defenses </col_header> <row_header> 4 </row_header> </cell> </table>
Lawler faced Strikeforce Middleweight Champion Ronaldo Souza on January 29, 2011 at Strikeforce: Diaz vs. Cyborg.