While most fans understandably focus on free agency and the trade market in the offseason , contract extension negotiations play an important role in roster-building. Locking up your players on team-friendly deals is an excellent way to build a sustainable winner, especially if you are a team allergic to paying the luxury tax like the New Orleans Pelicans. The Pelicans can't afford to overpay for their own players because of the financial restrictions they operate under . That's why the upcoming extension negotiations this summer are very significant. The three highest-paid players on the roster, Zion Williamson, Dejounte Murray, and Jordan Poole, can all sign new deals, and the Pelicans have to be smart about how they approach these talks. Let's look at every single player up for an extension and what we can expect this summer. Zion Williamson Joe Dumars already said that the Pelicans have no interest in trading Williamson this offseason.…