There are a number of danger men who could stand between Northern Ireland and the Republic of Ireland and a place at the 2018 World Cup.
The Republic of Ireland will meet Denmark for a place at the 2018 World Cup while Northern Ireland are up against Switzerland.
Wales and Republic of Ireland prepare for a winner-takes-all clash in Cardiff to secure a play-off spot in World Cup qualifying.
Croatia have sacked head coach Ante Cacic and replaced him with Zlatko Dalic just two days before a crucial World Cup Qualifier.
Iceland are on the brink of reaching their first World Cup after recording a 3-0 victory over Group I rivals Turkey in Istanbul.
Spain could book their place at the World Cup in Russia on Friday as they host Albania, live on Sky Sports.
©2017 Sky UK