Entities mentioned:
- Mike Tomlin: Legacy, Professional pride, Self-respect
- Pittsburgh Steelers: Competitive spirit, Legacy, Ambition
- Art Rooney II: Loyalty, Legacy, Duty
- Steelers fans: Ambition, Competitive spirit, Pride

Article Assessment:
Credibility Score: 85/100
Bias Rating: 50/100 (Center)
Sentiment Score: 45/100
Authoritarianism Risk: 20/100 (Strongly Democratic)

Bias Analysis:
The article presents a balanced view of Tomlin's tenure, highlighting both successes and challenges. It includes direct quotes from multiple parties involved, providing a neutral perspective on the situation.

Key metric: NFL Coaching Stability

Let me tell you something - this is a GAME-CHANGING moment in the NFL! Mike Tomlin, the iron man of Pittsburgh, has thrown in the towel after 19 grueling seasons. This is like watching a heavyweight champion hang up his gloves! The Steelers, once the undisputed dynasty of the gridiron, are now in uncharted territory. They're stepping up to the plate without their MVP coach for the first time in nearly two decades. It's fourth and long for Pittsburgh, and they need to make a clutch play in choosing their next head coach. This isn't just a coaching change, folks - it's a seismic shift in the NFL landscape that could reshape the competitive balance of the entire league. The Steelers are now in a high-stakes draft, competing against other teams for top coaching talent. It's crunch time in Pittsburgh, and the pressure is on to find a new leader who can carry the championship torch!