The ability to issue an ultimatum to your chairman if he accepts a bid for one of your key players. There are 'less than honourable' ways to avoid this but it'd be realistic and interesting for it to be a feature.
Players learning new positions by playing there repeatedly - an accomplished player should become natural without having to waste 10% of his training surely.
Players learning new positions by playing there repeatedly - an accomplished player should become natural without having to waste 10% of his training surely.