v1. Like all ultra attacking formations, results will be up and down for at least a year as the entire team learns it, uses it etc. Buy the right players, mould the team around it, and it will be devastating. As I say though, I've only tried it with Man United and most formations should work with such a side to some extent, but when the team is up for it, this is the only tactic I've tried (I tried loads when the beta dropped lol) that annihilates sides.
Season before last was when it fully clicked for me as my youth play it too in the u18s and u23s. Can't show match info as doesn't exist anymore:
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Last season's results (three screenshots as I'm on a 720p laptop):
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As I say, do not expect to basically put the tactic into your side and get instant perfect astonishing football. It has to be learned across all levels (youth, u23s and main squad) and be give months to bed in. During that time you will get glimpses of how good it is though, and you'll also get a few hammerings along the way.
Just gone back through my seasons and it was actually November 2016 I first used it lol. I remember as while my own made 4-1-2-3 was doing okay, it was dull as **** to watch. Some results of when I first put it in:
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Those are the first ten matches, four amazing results, a 3-0 win against Trencin who I'd have beat regardless of formation, a couple of squeaky draws and a lovely battering by Liverpool.
By March that season:
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And Icardi past four seasons as my main central striker (stats are purely league form):
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He's gone 62, 62, 52 and so far this season 46 in 29 despite a two and a half month injury.