I think he has got his head around it now, but it took a lot of studying. "We need to make sure we get the right balance and focus a bit more on the defence".
The UEFA Nations League kicks off tonight amidst a sense of bewilderment among players, fans and media alike and there is little buzz for the European governing body's latest brainchild. But it's not that baffling.
These are themselves divided into sub-groups in a convoluted format that has virtually replaced the friendly scene (apart from a few matches) in a revolutionary move that UEFA hopes will revitalize the global game now upstaged the glitz and glamour of club football.
The tournament resurfaced in a bid to revamp the level of global football and reduce irrelevant friendlies.
The newly promoted teams will then play at the new level in the next competition which starts in 2020.
England, who host Spain on Saturday before welcoming Switzerland to Leicester for a proper old-school friendly on Tuesday, are in League A (Group 4), while Northern Ireland and Wales are housed in League B (Groups 3 & 4 respectively), and Scotland line up in League C (Group 1).
The Final Four is slated for June 2019, with winners from the four groups from league A, coming up against each other. So much, so straightforward.
The Nations League headlines this worldwide break with many top quality matches to come. In Russia, Germany saw teams pick them apart on the counter-attack, with Jerome Boateng showing significant signs of decline. The four last-place teams in League A will be relegated to League B. And this is where it does become really complicated. The host will be the victor of the Italy-Poland-Portugal group.
The teams will play one-game semi-final prior to the final with the victor being crowned UEFA Nations League Champion.
The eight group winners would qualify for the round of last 16, while the runners-up go into a playoff with the third-placed teams of the eight Europa League groups.
Each league is split into four groups of teams that will play each other home and away between September and November 2018.
During some recent global windows, Canada has played just one game (and sometimes none at all).
But whether the Nations League should be linked to Euro qualifying, and if so in what way, are quibbles for further down the line.
With promotion and relegation brought to global football and with an indirect route to Euro 2020 on offer, the UEFA Nations League sees 55 European national teams split into four leagues with groups of three or four teams each.