Why do teams choose not to disclose transfer fees?
- Undisclosed fees hide clubs' spending and reinvestment budgets from rivals
- Homegrown status depends on years registered in England/Wales before turning 21
- Manchester City retain a 20% sell-on clause for James Trafford
BBC Sport answered reader questions on Premier League transfer rules, explaining why some clubs choose not to disclose transfer fees and how "homegrown" player status is determined. Undisclosed fees allow clubs to avoid revealing how much of their transfer budget has been spent or how much money a…