A new national report suggests good coaches have a real impact on the mental wellness and academic success of high school athletes.

Marshawn Kneeland, Dallas Cowboys defensive end, texted his family goodbye before dying from an apparent suicide, according to a police dispatch recording.

During a police chase Wednesday night, a car driven by Dallas Cowboys player Marshawn Kneeland crashed into a truck, before Kneeland abandoned his car and took his own life, according to information released Friday.

Following the death of Dallas Cowboys defensive end Marshawn Kneeland, his teammates left flowers at his locker.

The Dallas Cowboys defensive end tragically passed away, and new details have emerged that his girlfriend was desperate to save him.

Marshawn Kneeland's tragic passing shook the Cowboys organization and the NFL community; remembering the 24-year-old's journey and life.

The NFL honored Dallas Cowboys defensive end Marshawn Kneeland with a moment of silence when the Broncos played the Raiders on Thursday. Kneeland died by apparent suicide following a police chase.