Career
Calder has represented England internationally at Under-17 level Calder joined at the age of nine in 2005. Loan to Dundee On 31 August 2015, the deadline day of the 2015 summer transfer window, Calder moved to Dundee in the Scottish Premiership until January 2016.
Calder made his first start for Dundee against Ross County on the 25 September, having a lively game on the left of midfield in a 3–3 draw.
Calder"s loan spell ended at the beginning of January 2016, at which point he returned to Loan to Doncaster Rovers On 3 March 2016 Calder moved to Doncaster Rovers on loan. Calder has represented England at Under-17 level, playing at the 2012 Nordic Under-17 Football Championship in the Faroe Islands.
He made four appearances including the final as England came runners-up to Sweden. Calder is also eligible for the Jamaica national football team through his family history.