Rivaldo revealed "At Chelsea it would be very easy for me to fit in quickly because there are already so many stars, some of whom I know directly. Perhaps that would make it the easiest choice for me because if I have good partners who know how I play then I could, literally, guarantee success.
"So Chelsea is interesting to me but I cannot say more specifically at the moment - I have to take in other factors. However, I think that England is the logical destination for me because I've had so many offers from there that it would be the easiest place to go and succeed."
He added: "I know that Middlesbrough have made contact, and that my team-mate Juninho is there - but I'd need to understand far more about the club and its situation before moving because of that.
"And at Newcastle of course I know there is also interest, but I know that Sir Bobby Robson could be having trouble so I'll wait on that."