Well, last night I finished the season playing mainly this tactic (Like 65% of games). I played with Inter Milan.
I am at work, so I don't have any screenshots. But, I won the treble. Only lost Super Cup vs. Milan.
In Seria A, I got 100 points with GD 101. Lost 2 games, and both were vs Roma
And 4 draws (Fiorentina, Milan, Bologna, Juve), last 15 games I played a lot of reserves because I had a lead of 15 points and was saving my main players for CL.
I won all the games in the cup, even half of them I played with a lot of reserves.
In CL I dominated the group. In KO stage, only lost 1st game vs Leipzig (1-2) and won them home 5-0. Later I won Milan, Chelsea and Liverpool in the final 3-0.
The sad part about the game is, that I sold Gagliardini at the start, and Darmian at the half of the season. And buy none. So I was missing players. I bring some U-20 players to the squad, which are nothing special. ( M.Zanotti (DR), Jacopo Gianelli (DM), Enoch Owusu (ST) ) and still, I was winning easily with them in the team.
Škriniar, as a defender scored 22 goals.
Lukaku 40, Lautaro 29, Džeko 25.
And this is the formation I played sometimes (like 35% of matches)
http://prntscr.com/-MQX3HWCLpsc because I didn't have enough Wingers in the squad. But was equally efficient as the main tactic.
This tactic is an engine breaker. Or FM23 is too easy.