3. Ben Thatcher on Pedro Mendes – Portsmouth vs Manchester City, 2004
During this European game, Tatcher and Pedro Mendes ran for a loose ball near the touchline, Thatcher intentionally led with his elbow, sending Mendes sprawling into the advertising hoardings and knocking him unconscious. Mendes needed oxygen at pitchside and suffered a seizure while being transferred to hospital, where he would spend the night.