By Mark Baber
December 9 – The latest monthly report produced by the CIES looks at the issue of birth date bias finding that “players born in the first months of the year are strongly over-represented” in 30 top divisions in Europe – the exception being England where the bias is towards the period September- December as the age classes are based on September 1 rather than January 1.
Want a playing career? Then make sure you are born in first three months of the year
