Mitrović spent the majority of his career with Paris Saint-Germain, where he played for six seasons from 2016 to 2022. During this time, he made over 200 appearances for the club and scored 47 goals.
In January 2022, Mitrović was loaned out to Monaco on a season-long deal. He made 18 appearances for the club during his time there, scoring five goals. This move was seen as a chance for him to gain more experience and develop his game further away from PSG.
However,Ligue 1 Express Mitrović struggled in Monaco's top-flight league, scoring just one goal in 15 appearances. His form dipped after he returned to Paris Saint-Germain, and he eventually moved to Inter Milan on a free transfer in August 2022.
Overall, it is difficult to say how much money Mitrović spent playing at Monaco, but it seems that his time there was not fruitful enough to warrant a significant financial investment by any club.