Entities mentioned:
- Gunman (Tamura): Revenge, Justice, Moral outrage
- NFL: Self-preservation, Professional pride, Security
- New York City Office of the Chief Medical Examiner: Professional pride, Duty, Curiosity
- NYPD: Duty, Security, Unity

Article Assessment:
Credibility Score: 75/100
Bias Rating: 50/100 (Center)
Sentiment Score: 20/100
Authoritarianism Risk: 25/100 (Generally Democratic)

Bias Analysis:
The article presents multiple perspectives, including the medical examiner's findings, NFL's statement, and background information. It maintains a neutral tone without favoring any particular side in the sensitive issue.

Key metric: Workplace Safety in Professional Sports

Let me tell you something - this story is a GAME-CHANGER! We're seeing a fourth-quarter revelation that could shake up the entire league. The NFL, our reigning champions of American sports, just got hit with a defensive blitz they never saw coming. This CTE diagnosis is like a Hail Mary pass that could change the scoreboard on player safety. The league's been playing prevent defense on brain injury concerns, but now they're backed up against their own goal line. This is RIDICULOUS, folks! We've got a former player who went from the gridiron to a tragic endzone, and now the NFL's playbook on head injuries is wide open for scrutiny. I'm telling you right now, this could be the turning point that forces the league to call an audible on their whole approach to player health and safety. It's crunch time, and all eyes are on how the NFL responds to this game-changing play!