As can be seen in figure 2.2 most of the profit generated by the Eredivisie PSO 's during the 2005 - 2008 period came from player trading .
For PSO 's acquiring playing talent involves trading players .
As can be seen in figure 2.2 most of the profit generated by the PSO   's during the 2005 - 2008 period came from player trading .
For PSO 's acquiring playing talent involves trading players .