The representative, Pedro Aldave, revealed on Friday that there was "real interest" from one or more Premier League clubs following a 33-goal return last season.
|CARDIFF TRACKING CARDOZO
|1/2||Cardiff are 1/2 with Paddy Power to avoid relegation next season
"His transfer will certainly be finalised before July 17," Aldave told O Jogo. "He will not return to Benfica for pre-season.
"We are very advanced but I prefer not to go into more details."
Cardozo has scored 161 goals in 260 games for the Portuguese Liga outfit since joining from Newell's Old Boys in 2007.