Team spirit is often praised when a sport team is making a good performance. The team spirit is an important part of team sports. It is a dynamic process, which can change from one moment to the next. But it is these dynamic aspects that make a special bond between the team members. The stronger the bond the better they perform and the less sensitive will they be for outer influences. In "Team cohesion" some of these dynamic aspects are researced. What can make a successful team go from being in the top of the league, till struggling for survival? A low team cohesion may be the answer.