Remember, the lowest level ratings take the longest time to upgrade, if we are to believe the rules.
From the rules:
For the other training types, players will improve more quickly not only with additional playing time, but also a more skilled player will improve more quickly. For example, a great inside defender and rebounder will find it easier to improve his shot blocking than a poor inside defender and poor rebounder would. This encourages you to develop players with a combination of skills, but there are many combinations of skills which work well together -- you can develop players who will be a good fit for your team's needs.
The part in bold seems to disagree with you ;)
Absolutely not. It is 100% in agreement with me. It is the wording I referred to, in fact.
It disagrees with you 100%, and I'll diagram it for you if it will make more sense that way. But first, here's the sentence from the rules again:
a great inside defender and rebounder will find it easier to improve his shot blocking than a poor inside defender and poor rebounder wouldLet's throw in some player skills based on that sentence:
[A]
Inside Shot: average Inside Def.: prolific
Rebounding: prominent Shot Blocking: atrocious
Notice how this player is a "great inside defender and rebounder"? The line I have now quoted thrice suggests that this player would "find it easier to improve his shot blocking" than, say this player:
[B]
Inside Shot: average Inside Def.: pitiful
Rebounding: awful Shot Blocking: proficient
A "poor inside defender and poor rebounder". Given my understanding of both this line of the rules and the English language, one could easily assume that player A can expect to improve his shot blocking much more quickly than player B, even though player A has what you refer to as "the lowest level ratings".
So, unless that specific line in the rules is poorly crafted, it disagrees with your assessment that "the lowest level ratings take the longest time to upgrade". Either way, I am currently testing this theory with one of my centers, so I should be able to either prove or disprove that portion of the rules within a season or so. ;)