Fiorentina's former Chelsea striker Adrian Mutu has tested positive for a banned substance, the Italian Olympic Committee have announced. A statement from CONI revealed traces of the substance sibutramine were found in a sample provided by the 31-year-old Romania international following the Serie A match between Fiorentina and Bari on January 10.

Mutu also tested positive for cocaine in 2004 when playing for the Blues.