Manchester United and Chelsea will watch Porto forward Jackson Martinez tonight, according to The Daily Mail.
The Colombian striker, who is currently the top scorer in Portugal's elite division this season, has been linked with a Premier League switch for some time now.
And, with Martinez set to play a key role for Porto in their Europa League clash with Sevilla tonight, it appears that Manchester United and Chelsea will be watching with great interest.
Martinez, who has been valued at £25 million, will be hoping to impress United and Chelsea tonight, as he looks to steer Porto towards the Europa League semi-final stage.
However, if reports are to be believed, the two clubs will only make a move for the striker if they fail to sign their priority signings.
Chelsea appear desperate to sign Atletico Madrid forward Diego Costa, who has had a sensational season at the La Liga outfit this season, meanwhile Manchester United have made the signing of Edinson Cavani a priority.
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