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colspan = " 9 " | Preliminary card | - | Middleweight | Tim Kennedy | vs. | Roger Gracie | | align = center | | align = center | | | - | Middleweight | Chris Leben | vs. | Andrew Craig | | align = center | | align = center | | | - | Welterweight | Seth Baczynski | vs. | Brian Melancon | | align = center | | align = center | | | - | Heavyweight | Dave Herman | vs. | Shane del Rosario | | align = center | | align = center | | | - | Lightweight | John Makdessi | vs. | Edson Barboza | | align = center | | align = center | | | - | - | Lightweight | Kazuki Tokudome | vs. | Norman Parke | | align = center | | align = center | | | - | Welterweight | Mike Pierce | vs. | David Mitchell | | align = center | | align = center | | | - | } See also References External links
 Tim Kennedy, Roger Gracie, Chris Leben, Andrew Craig, Seth Baczynski, Brian Melancon, Dave Herman, Shane del Rosario, John Makdessi, Edson Barboza, Norman Parke, Mike Pierce, David Mitchell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tim Kennedy, Roger Gracie, Chris Leben, Andrew Craig, Seth Baczynski, Brian Melancon, Dave Herman, Shane del Rosario, John Makdessi, Edson Barboza, Norman Parke, Mike Pierce, David Mitchell