My list.
1993 - Royce Gracie
1994 - Royce Gracie
1995 - Royce Gracie
1996 - Bas Rutten
1997 - Bas Rutten
1998 - Bas Rutten
1999 - Igor Vovchanchyn
2000 - Wanderlei Silva
2001 - Wanderlei Silva
2002 - Wanderlei Silva
2003 - Fedor Emelianenko
2004 - Fedor Emelianenko
2005 - Mauricio Rua
2006 - Fedor Emelianenko
2007 - Fedor Emelianenko
2008 - Georges St-Pierre
2009 - Georges St-Pierre
2010 - Georges St-Pierre
This is just my opinion, agree/disagree? What about yours?