I don't think he will have a bonus of training on these skills but I believe he will gain point in those skills after match.
ok, that's a point.

I meant to say that it will be more difficult to be a good player because of having more new skills to work on : for example if your player is a MR that have learned to be a MC he will now have four more skill highlight, so he will have to work on four more skills than before and generally he wasn't good in it
well, as I was saying in another conversation here with Al, I don't believe that individual skills and their development making our players better in specific actions in the game.
http://forum.topeleven.com/tutorials...g-bonuses.html
I believe more in internal program/ hidden talent of a player.
For example here is a player I bought this season and did a power-training. Also add the MC position.
He has a talent at scoring even if his skills for this (shooting, Finishing) are the lowest of all (together with Speed, which also is useful or scoring).
Click image for larger version. 

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* But if a player with more highlighted skills could gain faster than another with less, that would interest me