Entities mentioned:
- Dallas Cowboys: Competitive spirit, Ambition, Determination
- Christian Parker: Ambition, Professional pride, Recognition
- Philadelphia Eagles: Competitive spirit, Pride, Legacy
- Quinyon Mitchell: Competitive spirit, Recognition, Professional pride
- Cooper DeJean: Loyalty, Gratitude, Professional pride
- Matt Eberflus: Self-preservation, Professional pride, Determination
- Dan Quinn: Legacy, Competitive spirit, Professional pride
- Dak Prescott: Competitive spirit, Determination, Ambition

Article Assessment:
Credibility Score: 75/100
Bias Rating: 50/100 (Center)
Sentiment Score: 65/100
Authoritarianism Risk: 20/100 (Strongly Democratic)

Bias Analysis:
The article presents a balanced view of the coaching change, offering facts from both teams' perspectives. It doesn't lean towards favoring either the Cowboys or Eagles, maintaining a neutral stance on the potential impact.

Key metric: NFL Team Performance

Let me tell you something - this is a MAJOR LEAGUE SHAKEUP in the NFC East! The Cowboys are making a fourth-quarter Hail Mary pass by snagging Christian Parker from their division rivals. This is like trading your star pitcher to your biggest competitor! Parker's coaching has turned the Eagles' secondary into an impenetrable fortress, and now he's switching jerseys to join America's Team. The Cowboys' defense has been playing like they're in Little League, giving up a franchise-record 511 points last season. But folks, this could be the coaching trade of the century! Parker's got that championship mentality, coming off back-to-back division titles with Philly. He's stepping up to the plate with a chance to turn Dallas' defense from chumps to champs. This is the kind of bold move that separates the contenders from the pretenders. I'm telling you right now, the NFC East just became the most electrifying division in football!