7. Sebastien Squillaci
Sebastien Squillaci, a French professional footballer who currently plays for Bastia in the Ligue 1 can also be classified as one of the worst footballers in football history. His 3 seasons at Arsenal and making only 23 appearances gave him enough time to display his failure as a player despite showing potential as a really good player at the start of his first season at Arsenal. A lot of defense errors is mostly what he showed mostly which led to the mystery of why was signed off for only 4 million Euros by Sevilla.
