UEFA successfully launched their brand new international tournament in 2018-19 as the Nations League was rolled out across Europe.
The initial format of the new competition famously flummoxed many football fans, players and coaches, with Liverpool boss Jurgen Klopp notably labelling it "senseless".
Not wholly content with how things went on the inaugural run, UEFA has now made some changes, but what exactly are they?
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UEFA confirmed in September 2019 that some tweaks would be made to the format of the Nations League, taking effect in the 2020-21 tournament.