By Tony Owusu The NBA could be looking to expand westward once its current television deal expires following the 2024-2025 season. Not that it needs to be said but… owning a sports franchise is a lucrative investment. Valuations for the four big sports leagues have exploded over the past three decades as media rights contracts have jumped in value. In the NBA, the Golden State Warriors are the second most valuable franchise. The Warriors currently have a $5.6 billion valuation, according to Forbes. That valuation is more than 10 times what the franchise was valued at a decade ago, when it wa…