i really agree to your comments.and also it depends on their experienced while they train.its simply indicates that the strength of a player to that position is his patience on how he practice and trained for that position too.
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for me if they offer 10mil for a teenager....it depends to his performance,in this kind of business even though your only at teenage age if you really good the team owner or manager wont mind it as long as they make money towards it. thats gamble.