|Date of birth||26 March 1992|
|Place of birth||Aarhus, Denmark|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 28 April 2017.
‡ National team caps and goals correct as of 10 September 2013
He is known as a skillful and creative midfielder, with vision and ability to both up the tempo and hold on to the ball as well as being able to play as a right winger.
Sloth made his AGF senior debut in the Danish Superliga championship on December 7, 2009, aged 17. The game was a 1–1 draw with Esbjerg fB at AGF's NRGi Park stadium. In 2008, former teammate Benny Feilhaber proclaimed Sloth as 'the greatest current talent in Danish football'.
On 22 August 2014, Yorkshire Evening Press journalist Phil Hay tweeted that a deal had been agreed for Sloth to join Leeds United on a three-year deal.
Sloth joined Football League Championship side Leeds United on 25 August 2014 on a three-year deal. He was allocated the number 33 shirt for the 2014/15 season. The fee for Sloth was believed to be in the region of £600k.
Sloth made his debut for Leeds on 30 August against Bolton Wanderers. He made 14 appearances in all competitions in his first season at the club, he was favoured more by head coaches Dave Hockaday and Darko Milanic for the first half of the season, with him barely being used by head coach Neil Redfearn in the second half of the season. On 31 July 2015, Sloth was given the number 29 shirt for the upcoming 2015/16 season.
On 14 November 2012, he made his debut for the senior team in a friendly in Istanbul against Turkey. Sloth played the first half in a game which ended 1–1, and was hailed as one of Denmark's best players of the game.
On 5 March 2014, Sloth started for Denmark in a 1-0 loss to England at Wembley; Sloth put in an impressive performance though he did get booked for a bad tackle on England's Steven Gerrard. Denmark lost to a late goal from Daniel Sturridge.
In Denmark, Sloth was also the face of Scandinavian hair wax company ID Hair.
- AGF profile Archived November 3, 2009, at the Wayback Machine.
- Official Danish Superliga statistics
- "Archived copy". Archived from the original on 2013-09-28. Retrieved 2012-11-15.
- "Leeds sign Denmark midfielder Casper Sloth from Aarhus". Sky Sports News. 25 August 2014. Retrieved 25 August 2014.
- "UNITED SIGN DANISH INTERNATIONAL". Leeds United Official Site. 25 August 2014. Retrieved 25 August 2014.
- "AGF sells Sloth Leeds". AGF Official Site. 25 August 2014. Retrieved 25 August 2014.
- "Leeds United complete Sloth signing". Yorkshire Evening Post. 25 August 2014. Retrieved 25 August 2014.
- Phil Hay (2 September 2014). "Leeds United: Whites have never had a busier transfer window". Yorkshire Evening Post. Retrieved 2 September 2014.
- "Leeds Vs Bolton Wanderers". Leeds United Official Site. 30 August 2014. Retrieved 30 August 2014.
- "CASPER EXCITED TO BE HERE". Leeds United Official Site. 3 September 2014. Retrieved 3 September 2014.
- "Leeds United exile is 'really weird', reveals Casper Sloth". The Express. Dec 5, 2014. Retrieved Dec 5, 2014.
- "2015/16 SQUAD NUMBERS ANNOUNCED". Leeds United Official site. 31 July 2015. Retrieved 31 July 2015.
- National team profile
- David Ornstein (5 March 2014). "England 1 Denmark". BBC Sport. Retrieved 5 March 2014.
- "Har du mere SWAG end Sloth?". AGF Official Site. 29 August 2012. Archived from the original on 26 August 2014. Retrieved 29 August 2012.