Porto fullback Jose Bosingwa has welcomed interest from big European clubs.
Manchester United and Chelsea were among European giants to be represented at Porto's victory over Vitoria Guimaraes on the weekend with Bosingwa understood to be a target for both Premiership clubs.
"What I know is only from the newspapers," said the right-back. "No-one has said anything to me, but it's good, it's recognition of my work.
"I want to continue to play well and win, because if the team doesn't win, then nobody will be interested in us.
"Big clubs are watching Porto because it is a club that wins."