 Cepero was drafted by the New York Red Bulls in the fourth round of the 2007 MLS Supplemental Draft and spent the early part of 2007 balancing his remaining academic duties with his attempts to make the team roster.On March 26, 2007, the team announced that it had signed Cepero to a developmental contract.Cepero spent some time in the post-season of 2007 training with Dutch side PSV Eindhoven, where he impressed coaches.