 By the time Van der Beck had returned to the Rowdies in 1984, the NASL was on its last legs and in 1985, Van Der Beck left the team to follow former Rowdies coach Gordon Jago to the Dallas Sidekicks of the MISL.Van der Beck remained with the Sidekicks for three seasons, capping his time with the team by winning the MISL championship in 1987.On July 4, 1987, the Sidekicks announced they would not renew Van der Beck's contract and he became a free agent.