BERLIN (AFP) World cruiserweight champion Marco Huck will defend his WBO title against Russias Denis Lebedev on December 18 in Berlin. The Serbian-born Huck has held the title since beating Argentinas Victor Emilio Ramirez in August 2009, and the December bout will be his fifth title defence. Huck has won 30 of his 31 professional fights, 22 by knock-out while Lebedev is unbeaten in 21 fights, 16 of which came by KOs.