Background
Holt grew up in Musselburgh a Hearts fan and attended Musselburgh Grammar School, and signed for Heart of Midlothian ("Hearts") in 2002.
Holt grew up in Musselburgh a Hearts fan and attended Musselburgh Grammar School, and signed for Heart of Midlothian ("Hearts") in 2002.
He was a member of the Hearts under-19 squad who finished second behind Celtic in the under-19 league in 2010-2011.
Holt has previously played for Heart of Midlothian, Raith Rovers and Sheffield United. He has represented Scotland at under-19, under-20 and under-21 level Hearts
He picked up the Clydesdale Bank Premier League under-19 player of the season award.
Despite being part of the squad that travelled to Italy for pre season, Holt had to wait until the last day of the 2010-2011 season to make his First team debut on 15 May 2011 as a substitute against Dundee United.
His performance for the under 19 squad in the early part of the 2011-2012 season earned him a new three-year contract extending his stay with the club until 2014. He scored on his first start for Hearts, away to Street Johnstone in March 2012.
= Loan spells On 21 November 2011, after impressing in a bounce game, Holt joined Scottish First Division side Raith Rovers on loan until 5 January 2012. In all Holt made five appearances for the side with his last appearance coming as a substitute on 2 January against Dundee.
On 5 January he returned to Hearts.
Holt moved on loan to Sheffield United on 30 January 2015 for the rest of the 2014-2015 season. Rangers
This match against Hibernian was a crucial one for the club due to the fact that Hibs were level on points with Rangers, but after this match the points difference were extended to three points. Holt has represented Scotland at under-19 level and under-20 level and was called up to the under-21 squad in 2011 and made his debut a year later.
With Hearts in financial difficulty and wanting to bring through members of their under 19 squad into the first team, Holt was sent on loan to Raith Rovers to gain first team experience.