Here is a look at who was involved and how they got on:
John Souttar & Connor Barron – Scotland
Scotland 1-0 Croatia - UEFA Nations League
Poland 1-2 Scotland - UEFA Nations League
The Gers duo were present in the Scotland squad as they enjoyed a vastly impressive end to their Nations League group stage campaign.
Souttar was in the starting side on Friday evening as he helped the team to a clean sheet in a 1-0 success over Croatia at Hampden Park before providing a late match-winning assist in Warsaw as the Scots claimed back-to-back wins.
Having finished third in League A group 1 they now await their fate ahead of their next round of matches in March.
Nedim Bajrami – Albania
Albania 0-0 Czech Republic - UEFA Nations League
Albania 1-2 Ukraine - UEFA Nations League
Nedim was part of the Albania squad for their final two matches of the calendar year in the most recent break.
He was named in the starting side as his nation played out a goalless draw with the Czech Republic as he came up against club teammate Vaclav Cerny on the night before he found the target from the penalty spot in a narrow home defeat to Ukraine as they finished bottom of their group.
Vaclav Cerny – Czech Republic
Albania 0-0 Czech Republic - UEFA Nations League
Czech Republic 2-1 Georgia - UEFA Nations League
Vaclav was named in the starting side for his country in the goalless draw on Saturday before again featuring in yesterday’s 2-1 success over Georgia as the Czech’s claimed promotion to League A with 11 points from six matches.
It was a positive end to the calendar year for his nation after competing in this summer’s European Championships, as he looks to continue his good form at club level.
Ross McCausland – Northern Ireland
Northern Ireland 2-0 Belarus - UEFA Nations League
Luxembourg 2-2 Northern Ireland - UEFA Nations League
Ross was unfortunately not involved in either of Northern Ireland’s Nations League fixtures having been named in the original squad.
Micheal O’Neill’s men sealed promotion to League B after a 2-0 home success over Belarus before playing out an entertaining 2-2 draw with Luxembourg on Monday evening.
Ianis Hagi - Romania
Romania 0-0 Kosovo - UEFA Nations League
Romania 4-1 Cyprus - UEFA Nations League
Romania’s first Nations League clash of the break was abandoned in stoppage time before the midfielder was named in the starting side as they rounded off their campaign with a convincing victory over Cyprus.
Ianis was on hand to provide an assist in the game for the fourth goal as his country continued their impressive run of form to achieve promotion to League B.
Neraysho Kasanwirjo – Netherlands U21
Slovakia U21 3-3 Netherlands U21 - Friendly
Netherlands U21 1-1 England U21 - Friendly
Nana was part of the Netherland’s Under-21s squad who played out a pair of friendlies in their final outings of the year.
He appeared from the substitutes bench as his nation played out an entertaining six-goal draw with a young Slovakia side before he suffered an unfortunate injury in his team’s second clash against England.