Lost his WBA Heavyweight title to
Ruslan Chagaev on the 14th of April
2007 ending his undefeated streak 3 fights short of equaling Rocky
Marciano's record. Due to injury, Chagaev was unable to fight him in a rematch. Valuev and Chagaev have been co-holders of the title since August 2008 when Valuev beat top contender John Ruiz.