Wladimir Klitschko to fight undefeated Francesco Pianeta in May

FRANKFURT, Germany (AP) - Wladimir Klitschko will defend his four heavyweight titles against Francesco Pianeta in May. Klitschko's management says the fight

In his most recent fight, Wladimir Klitschko defeated Mariusz Wach (left) in Nov. 2012 :: /AP

FRANKFURT, Germany (AP) - Wladimir Klitschko will defend his four heavyweight titles against Francesco Pianeta in May.

Klitschko's management says the fight will take place on May 4 in Mannhein, Germany. Klitschko holds the IBF, IBO, WBA and WBO heavyweight belts.

The 28-year-old Pianeta was born in Italy but has lived in Germany since he was 6.

Pianeta (28-0-1, 15 KOs) was briefly Klitschko's sparring partner last year. Klitschko is 59-3 with 51 KOs.