Career
Callender began his career before the Second World War, in 1938 with Gateshead, who would be his sole Football League club Indeed Callender would go on to establish the club record for most appearances for the club in the Football League during his long stay. He made 471 Football League appearances, scoring 42 goals and 40 appearances in the FA Cup, scoring 7 goals.
However, his exact appearance total is difficult to establish and more likely to be closer to 600 when taking into account his war time appearances for Gateshead between 1942-1945.https:/103 appearances, 4 goals in War time appearances/en.wikipedia.org/w/index.php?title=Jack_Callender&action=edit#
After his departure from Gateshead Callender played for Consett for a while.
Callender died on 22 May 2001, aged 78.