The UEFA Nations league is an attempt to re-invigorate national team football in a world where club football dominates the yearly calendar outside of the World Cup. 

FC Barcelona will renew their rivalry with Real Madrid in the Spanish La Liga match at the Camp Nou on Sunday.
 

Although it's no fun to see your favorite sports team fall behind, one of the most exciting things that can happen is when the luck starts to change. These are the most incredible comebacks ever witnessed in sports.

The meetings of Manchester United v Juventus, Barcelona v Internatzionale and Borussia Dortmund v Atletico Madrid are the pick of matchday three clashes in the UEFA Champions League on 23 and 24 October

Chelsea will face off with Manchester United in an English Premier League game at the Stamford Bridge Stadium on Saturday

Spain will take on England in the UEFA Nations League match in Sevilla on Monday, October 15.