Research has used data from Serie A from 2007-2008 to 2016-2017 seasons analyzing team performance after a coaching change [Argentieri, Canova, & Manera, 2019].
The results are consistent with the available literature and emerges that coach replacement is not useful in influencing team performance and, therefore, has no significant effect on team outcomes. No significant long-term impact of coach change is shown. In those cases where a positive impact of turnover was found this occurred only in the very short term, primarily driven by an increase in player motivation and commitment determined by the emotional shock brought about by the change, thus contributing to a streak of positive results. Over time, however, this effect disappears and, in fact, turns out to be negative. These data are similar to those highlighted in relation to coach change in basketball (NBA), English soccer and ice hockey (NHL).
However, some considerations arise from professional experience and relate to the following points.
- Teams that change coaches frequently are not successful teams and this negative outcome would be fostered by too frequent turnover.
- Possible real incompetence of the coach and, therefore, the team’s failures are determined by the insufficient competence of the coach.
- The coach has been sacrificed as a scapegoat, other are the causes that have determined the conflicts and, in this way, the managers of the sports club, putting the blame on the coach, the easiest method to solve the problems of the team.
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