Wolves striker Fabio Silva admits some regret over leaving Porto so soon into his career.
Silva left Porto over the summer in a €40m deal, just a season into his senior career.
"Of course, I would have liked to affirm myself more at Clube do Coração, to have left my mark as I left in training," he told SIC, before remembering the "many friends" he "won" after helping Porto win the title.
"In those days when I was champion I was full of friends. I said, 'it's all friends, now'."