If you listed every single interaction that every skill was involved in in the quick tips, it'd be a massacre of info. There should be extremely easy help guids linked to from the player page, and to some extent there kind of is - just needs some updating, reworking. Maybe I could try and start a forum post to get all the effects of the skills down that can be linked there - some sort of user collaboration to get down for new users the gist of what we know skills to do (as part of it is kind of a secret to some extent to make the game interesting to us still)
If we just added in things for the rollover text, balance would be insane.
"Helps to stay upright in broken tackles, maintains good QB posture when moving in the pocket, ensures higher quality kick checks, helps prevent being reverse pancaked, helps provide leverage to get more pancakes, helps blocking rolls, helps in acceleration, helps stay upright and be in a good position when fighting over the ball before a catch, helps mobility and preventing stumbles in general - but especially in hard cuts and during backpedaling/sidestpping etc."
And that's not all it does.
aka - Atatakakunai