Who is the best purchase in your club's history and who flopped the most?
ESPN FC asked our club bloggers for their all-time tops and flops in the transfer market. Whether goal scoring machines or cult heroes, big money flops or reviled characters, the good and bad of each Premier League side's business down the years is here.
CHELSEA:
Top: Frank Lampard. Went on to become Chelsea's all time record goalscorer with 211 goals from 649 appearances in all competitions. In a glittering 13-year career at Stamford Bridge, he won 11 major trophies and captained the Blues' Champions League final winning side in 2012.