West Ham star Winston Reid has asked club bosses to OK his move to the Estadio do Dragao.
The New Zealand defender is said to have his heart set on joining Rui Barros at FC Porto.
Although the move is expected to go through, negotiations are believed to have stalled on West Ham's asking price for the player.
FC Porto's initial bid of €18 million was considered to be too low, according to club insiders.
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