Video: Toby Alderweireld exploits Tierney mismatch to score header for Spurs vs Arsenal

In the 80th minute of today’s north London derby, Spurs took the lead by punishing their local rivals Arsenal for their dismal defending of a corner.

A snapshot chance for Harry Kane led to Jose Mourinho’s side being awarded a corner, Heung-Min Son whipped a corner into the box that was steered in by a powerful header from Toby Alderweireld.

Mikel Arteta’s side seem to have went with a zonal marking scheme – which they paid for – full-back Kieran Tierney was marking Alderweireld and realistically had no chance of winning this duel.

Centre-backs Shkodran Mustafi and David Luiz didn’t back up their teammate to challenge one of Spurs’ prime aerial threats, the duo were positioned in the completely wrong areas.

Take a look at the Belgian’s bullet header below:

Pictures from Sky Sports and RMC Sport.

Arsenal only have themselves to blame after conceding this. It looks like it will cost the Gunners bragging rights in north London.