The Premier League pair face competition in their bids to land the 19-year-old.
Cardiff City have appointed the former Rotherham and Leeds man as their new manager. Here's why this could be the perfect appointment.
The Gunners are reportedly keen on opening discussions with a number of their star performers, including Alex Iwobi, who has impressed for the Premier League side.
The Turkish international has struggled to have an impact at West Ham.
Newcastle United were allegedly keen on Celtic's 13-year-old sensation Karamoko Dembele.
Leeds United's under-23's are set to take on Bolton Wanderers soon.
The Baggies winger never appears to be too far away from controversy.
Martial found the net for the first time this season at the weekend.
The 19-year-old is trying to prove himself to Mark Warburton having left Glasgow Rangers on loan.
The Scottish youngster is currently out on loan at Mansfield Town.
The defender has been impressed with the Spurs boss over the last couple of years.
Celtic won 2-1 against Astana in Champions League qualification yesterday.
Summer signing Moussa Dembele’s first goal for Celtic was crucial, earning victory against Astana and a place in the Champions League play-off round.