Background: In 2020 many people, including professional sportsmen, were in quarantine for many months around the world. Professional sport team players change the modality of training. So, it is indispensable to understand the performance modifications after lockdown. Methods: A search was conducted on the main international databases considering the studies conducted in team sports. Results: The studies show a higher injuries incidence in basketball, in futsal and in American football after lockdown. However, there are conflicting data about soccer, in which only incidence about muscular injuries is generally higher. Conclusions: Lockdown generally increases injuries, above all at the resumption of competitions. It is important give players a sufficient time to recover the athletic condition.