Manchester United have reportedly joined the race for Porto forward Andre Silva, who is believed to have attracted the attention of a number of top-level European clubs.
The 21-year-old has netted nine goals in all competitions for Porto this season, while he has also registered four times for Portugal during their 2018 World Cup qualification campaign.
Barcelona, Real Madrid and Manchester City have all been credited with an interest in the forward, and according to the Daily Record, Man United are now very much in the hunt.
The report, however, claims that interested clubs will have to activate Silva's release clause of £51m if they wish to begin talks with a player that came through the youth system at Porto.
Silva scored 24 times for Porto's second string before making his first-team debut last season.
