I don’t have live tool access in this turn to verify the latest details, but here’s what’s currently known about Marshawn Nealon as of late 2025 based on widely reported outlets. Direct answer

• Marshawn Kneeland (also spelled Nealon in some reports), a defensive end who played for the Dallas Cowboys, died in early November 2025 at age 24. Reports indicate the death was by suicide following a short police pursuit, and that he sent a goodbye text prior to the incident. Public statements from the Cowboys and local outlets expressed condolences and highlighted the impact of his passing on teammates and staff. [multiple outlets reporting same events, see context below]

Context and what’s been reported

• Initial reporting in early November 2025 stated that Kneeland/Nealon died after a police chase and a subsequent self-inflicted gunshot wound, with authorities describing the death as a suicide; investigators noted that he had expressed suicidal thoughts prior to the incident. The Cowboys and NFL community publicly acknowledged the loss and offered support to his family.

• Following the news, media coverage included reactions from teammates, coaches, and analysts about the tragedy and the importance of mental health awareness in professional sports. Some outlets detailed that he had sent a group text saying goodbye before the incident, which prompted concern from authorities and his girlfriend.

• Local and national sports discussions reflected on Kneeland’s off-field struggles and the broader context of player well-being, with podcasts and sports shows addressing the event and urging listeners to seek help if in distress.

• Public posts from fans and former teammates memorialized Kneeland, and social media posts from various platforms acknowledged his life and potential future in the league had circumstances been different.

Notes on variations in name spelling

• Some reports spell the surname as Kneeland, others as Nealon; both refer to the same player associated with the Cowboys. The key facts—age at death, method, and timing—are consistent across major outlets.

If you’d like, I can pull together a concise timeline of events and a few reliable sources for deeper reading, or summarize what teams, league officials, and mental health organizations have said in response.