Date
Champions
Opponents
Score, Location

World Boxing Association
2006-10-07
VALUEV Nikolay
BARRETT Monte
Technical Knockout 11/12
Rosemont, USA
2006-06-03
VALUEV Nikolay
BECK Owen
Technical Knockout 3/12
Hannover, Germany
2005-12-17
VALUEV Nikolay
RUIZ John
Majority Decision 12/12
Berlin, Germany
2005-04-30
RUIZ John
TONEY James
No Decision 12/12
New York, USA
2004-11-13
RUIZ John
GOLOTA Andrew
Unanimous Decision 12/12
New York, USA
2004-04-17
RUIZ John
OQUENDO Fres
Technical Knockout 11/12
New York, USA
2003-12-13
RUIZ John
(interim champion)
RAHMAN Hasim
Unanimous Decision 12/12
Atlantic City, USA
John Ruiz was upgrated to regular WBA heavyweight champion after Roy Jones relinquished the title and went down to light heavyweight division.
2003-03-01
JONES Roy
RUIZ John
Unanimous Decision 12/12
Las Vegas, USA
2002-07-27
RUIZ John
JOHNSON Kirk
Disqualification 10/12
Las Vegas, USA
2001-12-15
RUIZ John
HOLYFIELD Evander
Points 12/12
Mashantucket, USA
The bout was a draw and John Ruiz retained his belt.