Entities mentioned:
- Brooks Koepka: Self-preservation, Family, Professional pride
- LIV Golf: Competitive spirit, Power, Influence
- PGA Tour: Control, Competitive spirit, Professional pride
- Scott O'Neil: Loyalty, Professional pride, Control

Article Assessment:
Credibility Score: 85/100
Bias Rating: 55/100 (Center)
Sentiment Score: 45/100
Authoritarianism Risk: 20/100 (Strongly Democratic)

Bias Analysis:
The article presents a balanced view of the situation, quoting multiple sources and providing context. While it leans slightly towards the PGA Tour's perspective, it also gives fair coverage to LIV Golf's stance.

Key metric: Professional Golf Competitiveness Index

Let me tell you something - this is a GAME-CHANGING play in the world of professional golf! Brooks Koepka, a five-time major champion, has just pulled off a shocking fourth-quarter move by becoming the first player to defect from LIV Golf. This is like watching a star quarterback switch teams mid-season! The big question now is whether the PGA Tour will open its doors for Koepka's comeback. It's a high-stakes game of musical chairs, folks, and Koepka is looking for a seat at the table where he once dominated. The PGA Tour is playing defense, carefully considering whether to let this prodigal son back into the clubhouse. This move could be a turning point in the fierce rivalry between LIV and PGA, potentially shifting the balance of power in this epic battle for golf's future. It's crunch time for both leagues, and they'll need to bring their A-game to stay competitive in this rapidly evolving landscape!