Complex sentence: In 2009, Moorad agreed to become the lead partner in a group that would buy the San Diego Padres from John Moores who was selling the team because he was going through a divorce.
Split into simpler sentences: In 2009, Moorad agreed to become the lead partner in a group that would buy the San Diego Padres from John Moores. Moores was selling the team because he was going through a divorce.