Zidane has shown himself eager to inject youth and pace into his squad since taking charge of Real Madrid, and a sluggish start to the season has accelerated the club's interest in adding new faces in January.
Cristiano Ronaldo and Karim Benzema, 32 and 29 respectively, will soon enter the twilight of their careers, and the 21-year-old could be the perfect building block for Real's future. Martial's compatriot Kylian Mbappe attracted interest from the Bernabeu last summer, but Paris Saint-Germain pipped Madrid to his signature.
A player who fits into the profile Zidane is looking for, Martial is still not guaranteed a starting place up front for Manchester United. Real Madrid want to test the Red Devils' resolve with a stunning £80 million bid for the French youngster.
Facing competition from the likes of Romelu Lukaku, Marcus Rashford and Zlatan Ibrahimovic, Martial has impressed in limited opportunites this season with five goals in five Premier League starts. It is the ongoing story of the striker who has performed consistently since joining the Red Devils in the summer of 2015 but has still fallen down the pecking order.