Tactic Familiarity Levels.

I had 7 out of the 8 TFLs at fluid with 100/100. The single one i don't is "Formation." As usual i have rotated through each of the five options for Match Prep at high for a week each. Prior to that i had it on "Teamwork" at high during my usual start of the season extreme strength/aerobic training for roughly three weeks.

Formation is at 83/100 in TFLs at the moment. I've put it back to teamwork on average having rotated through the five top to bottom. So any ideas? There's been no huge changes to the side, 2-3 signings but they're all squad/young players to be developed. Also it's the same tactic i always use so they're not having to learn anything new.