8) John Robertson – Nottingham Forest to Derby County
Scoring the winning goal in the 1980 European cup final, Robertson was the jewel of Nottingham Forest.
However, trouble began to rear it’s ugly head when Forest manager Brian Clough’s best friend and former assistant manager, Peter Taylor, took the job at Derby County.
Taylor bought Robertson from Forest without consulting Clough and the two lifelong friends who had won countless titles together at Forest would never speak again.