Much has been made of Liverpool 's relationship with recent opponents , Southampton , in recent years .
It is Sunderland , who visit Anfield on Saturday , who have shared more players with the Reds over the decades .
Much has been made of Liverpool 's relationship with recent opponents , Southampton , in recent years , but it is Sunderland , who visit Anfield on Saturday , who have shared more players with the Reds over the decades .