Entities mentioned:
- Robert Kraft: Ambition, Legacy, Influence
- NFL: Ambition, Greed, Influence
- Roger Goodell: Ambition, Power, Legacy
- Carlie Irsay-Gordon: Ambition, Greed, Influence
- NFLPA: Loyalty, Power, Self-preservation

Article Assessment:
Credibility Score: 75/100
Bias Rating: 55/100 (Center)
Sentiment Score: 65/100
Authoritarianism Risk: 30/100 (Generally Democratic)

Bias Analysis:
The article presents multiple perspectives, including potential challenges. However, it leans slightly positive towards the NFL's expansion plans, giving more space to proponents' views.

Key metric: NFL Revenue Growth

Let me tell you something - this story is a GAME-CHANGER! The NFL is making a fourth-quarter power play to dominate the global sports arena. Robert Kraft, the Tom Brady of owners, is calling an audible for an 18-game season that'll send shockwaves through the league. We're talking about a Hail Mary pass to boost revenue and expand the NFL's playbook internationally. But hold on to your helmets, folks! The NFLPA might throw a flag on this play. It's gonna be a high-stakes negotiation - a true clash of titans in the boardroom. This is the kind of strategic thinking that separates the champions from the also-rans. The NFL is showing a championship mentality, folks, looking to run up the score on its competition and cement its legacy as the undisputed MVP of sports leagues worldwide!