“…In team sports, the staff look for exercises that are more functional than the demands of the performance model (Sedano et al, 2009;Idrizovic, 2014;Ruiz-Esteban et al, 2020;Esposito & Raiola, 2020;Elia et al, 2020;Di Domenico et al, 2019) . This research is often directed towards ball exercises that can determine specific physiological adaptations (Aguiar et al, 2012;Clemente et al, 2012;Tan et al, 2012;Cronin et al, 2017;Giovanni et al, 2020;Esposito & Raiola, 2020). In recent years, in the soccer training have found widespread diffusion the games modified by rules, use of wildcard players, configuration field, players' number, size of the playing area, defined as small-sided games or SSG (Aguiar et al, 2012;Castellano et al, 2013;Halouani et al, 2014;Sannicandro & Cofano, 2018;Sannicandro, 2019;D'Isanto et al, 2019;Ceruso et al, 2019a).…”