A look at a select few who have played for both teams.
Don Hutchison (Liverpool 1990-1994, SAFC 2000-2001)
Hutchison joined Liverpool from hometown club Hartlepool in 1990; he didn’t make his debut until 1992, before cementing an effective midfield partnership with Jamie Redknapp the following season. He did have the notable honour of being the last player to create a goal in front of the standing Kop, winning a penalty which Julian Dicks converted against Ipswich Town in a 1-0 victory in April 1994.
Hutchison joined the Black Cats in July 2000 from Everton for £2.5 million and he quickly became a key figure for the club. In his one year on Wearside the Scottish international scored 8 goals in 40 league appearances. Including scoring in the 2-1 win against Newcastle at St James Park in November 2000.
Jason McAteer (Liverpool 1995-1999, SAFC 2001-2004)
Republic of Ireland international McAteer joined Liverpool from Bolton for £4.5million in the early part of the 1995-96 season. He went on to appear 139 times for the club scoring 6 times for the club he supported as a boy, before moving on to Blackburn Rovers for £4 million.
McAteer moved to Wearside in 2001 for £1 million from Blackburn, following a fallout with then Blackburn manager Graeme Souness. McAteer made 27 appearances in his first season for the Black Cats but couldn’t prevent the club from being relegated. McAteer in total made 53 appearances for the club scoring 5 goals.
Barry Venison (SAFC 1981-1986, Liverpool 1986-1992)
Venison started his career with the Black Cats and quickly became a firm fan favourite. In his five years at the club the full-back made 205 appearances scoring 2 goals he also became the youngest captain at Wembley when he skippered the club, aged 20 and 220 days, against Norwich City in the 1985 League Cup final defeat.
Venison moved to Anfield in July 1986, and was part of the squad which won the league championship in 1988. In his six years on Merseyside, Venison made 110 appearances scoring the solitary one goal before moving back to the North East to join Newcastle United.