Career
Red Star Belgrade
Spajić made his professional debut for Red Star Belgrade on October 27, 2010 in a Serbian Cup match against Borac Čačak. He was subsequently loaned to Red Star"s farm team Sopot in the Serbian third tier, where he played the 2011-2012 season. In his final season at Red Star, he appeared in 16 games and became recognized as a player with remarkable qualities.
Toulouse
On 29 May 2013, Red Star Belgrade and Toulouse Football Club agreed on Spajić"s transfer to the French side for €1.5 million.
Spajić made his Toulouse debut against Valenciennes on the opening day of the 2013-2014 season. After Steeve Yago committed a foul to concede a penalty, the uninvolved Spajić was sent off in an apparent case of mistaken identity.
Spajić first played for Serbia"s U21 team in a friendly with Israel U21 on February 6, 2013.