The Liverpool-born defender joined the team at just 17 years old where he kept the record for the youngest player until 2010.
His death was today been confirmed by Liverpool FC in a heartfelt statement.
They said: “Liverpool FC is deeply saddened by the passing of former player Max Thompson.
“Thompson, once the Reds’ youngest ever player, has sadly passed away at the age of 66.
“The Liverpool-born defender joined the club as an apprentice before being rewarded with a professional contract.
“At the age of 17 years and 129 days, Thompson was handed his senior debut by Bill Shankly with a start in the final game of the 1973-74 season, a 1-1 draw away at Tottenham Hotspur.
“That club record would stand until May 2010 when Jack Robinson appeared as a 16-year-old in a Premier League fixture with Hull City.”
Thompson went on to play for Blackpool in February 1978 before representing other clubs – including Swansea City, AFC Bournemouth and sides in the USA, Portugal and Sweden.