Jolt
Zippo said: Ohh... it's that thing. Ok, I'll check whether it can be tested or not.

Pick a middle table team with average CA for the league, that doesn't have continental football. Freeze transfers, injuries and morale but nothing else.

Run 20 seasons in low, 20 in medium and 20 in high bonuses.

Compare league and cup results. If they are roughly the same, do another 20 seasons each run, but with only injuries and transfers frozen, but let morale fluctuate.

That should indicate:
1. Whether the boost is solely morale based (if it is, freezing morale should make the first results be roughly the same regardless of the season bonus, if there are other benefits, we should see a reflection of that).
2. How powerful the boost is, if at all (if the benefit is minimal, it will make sense to save up on the money).
Impressive! After a long time, it seems there's a new leader!
I don't understand why the tactic wasn't tested, when I expounded a bunch of information on it and linked to the tactics.
!!FM20.3.0VenomFaith442KnapP10OEC.fmf
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It would be amusing to create a fantasy league with 20 teams, where each team can only use one of the top 20 tactics, and would pit the tactics ones against the others (each team named after the tactic it will apply). Each team would have exactly the same players, reputation, etc.

And then we would see who is the tactic that would manage to finish on top of all other tactics.
So far, it has been impeccable in my Porto playthrough. While I usually shift between tactics, this one has been so good, I use just that one.

First season with Porto, not using that tactic:


Second season with Porto, first time using the tactic, first time I finish the season undefeated (lost the CL in the Quarters):




Current season with Porto, second season using just the tactic:




It's been great so far. I'd like to see how the tactic fares against the others.

https://community.sigames.com/topic/451185-fm-20-tactic-list-and-fm-19-recommended-tactic-list/page/143/?tab=comments#comment-12286362