Sandeep Singh became the fifth highest-paid marquee player at the inaugural Hockey India League as the Mumbai franchise bought him for US$64,400 with his base price being US$27,800. The Mumbai team has been named Mumbai Magicians. Scoring 11 goals in 12 games, Singh emerged as the top scorer in the first edition of the league. In 2014, he was signed by Punjab Warriors. After playing two seasons for the team, he was signed by Ranchi Rays for US$81,000 in 2015 starting 2016. In 2014, Singh relocated to the UK to play for Havant Hockey Club. On 22 August 2006, Singh was seriously
Sandeep Singh injured after being hit by an accidental gunshot in the "Shatabadi Express" train, while on his way to join the national team due to leave for the World Cup in Africa two days later. He was almost paralyzed and on the wheelchair for 1 year of his life. He was 20 at that time. Singh not only recovered from that serious injury but also established himself again and played world cup for India in 2010 Indian team. Filmmaker Shaad Ali has made a biographical film titled "Soorma" on Sandeep life. Diljit Dosanjh has played Sandeep Singh's role in the film.