Traumatic posterior sternoclavicular joint (TPSCJ) dislocations are rare injuries. Literature suggests they are associated with major trauma, and less than 150 cases have been documented since they were first described by Sir Astley Cooper in 1824. 1 Within the past two years in our Emergency Department (ED), there have been six sternoclavicular joint (SCJ) dislocations. Two of which were as a result of road traffic accidents, the other four were due to rugby tackles. This case series represents four young males, all with posterior SCJ dislocations due to a sports injury in one emergency department, thus challenging the association between PSCJ dislocation and major trauma.