Tottenham are believed to be keen to add attacking reinforcements following the news that Harry Kane is expected to be out until April.
Kane picked up a hamstring injury against Southampton, a game the North London side ended up losing 1-0.
It was initially thought to be a matter of weeks spent on the sidelines, but Kane's injury turned out to be more severe and required surgery.
According to Record, Porto striker Ze Luis is on Spurs' radar and could move to the Premier League club on loan.
The 28-year-old may only gain a work permit through appealing to the Exception Panel, to which Tottenham must justify the player's arrival.
Ze Luis has played 12 games in the Portuguese Liga NOS this season, scoring seven goals.
It's understood Spurs could insert an option to buy in any loan deal if they do secure a work permit for Luis.
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