Complex sentence: The league placed the defunct Las Vegas Posse franchise up for bids, with an ownership group intending to create a club in Miami, Florida to be called the Miami Manatees gaining the most traction.
Split into simpler sentences: The league placed the defunct Las Vegas Posse franchise up for bids. An ownership group intending to create a club in Miami, Florida to be called the Miami Manatees ended up gaining the most traction.