Recommended players - how the engine works

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So 1st week this season Home Guard FC get GKs



So they buy the 69T one - then 2nd week, HG get STs



So they buy the 39T one - today, AMLs



If they buy the 79T one now, will they get something different next time?

Wow, how does the big quality drop from week 1 to week 2 happen?
Did you sell a lot before recommendation on week 2?