Complex sentence: The team did not return to the American Bank Center for 2007 after the arena decided not to renew the team's lease and it became the home of the af2 team, the Corpus Christi Sharks.
Split into simpler sentences: The team did not return to the American Bank Center for 2007 after the arena decided not to renew the team's lease. Plus, it was the home of the af2 team, the Corpus Christi Sharks.