During his playing career , Jason amassed over 650 appearances .
During his playing career , Jason played for 18 clubs including : Nottingham Forest , Charlton Athletic , Peterborough United , Southend United , Watford and Notts County .
During his playing career , Jason amassed over 650 appearances and played for 18 clubs including : Nottingham Forest , Charlton Athletic , Peterborough United , Southend United , Watford and Notts County .