Former NFL cornerback Alphonso Smith Jr. has died at the age of 40, according to reports, in a tragedy that has left former teammates, football fans and the wider sports community mourning his sudden loss.

Smith, a native of Pahokee, Florida, was a highly regarded defensive back long before reaching the NFL. He built an impressive college career at Wake Forest University, where he became one of the most productive defensive players in the school’s history. He earned multiple All-ACC and All-American honors and finished his college career with a school-record 21 interceptions. He also led Division I football in interceptions during both the 2007 and 2008 seasons.

His performances earned him a major opportunity in the professional game. The Denver Broncos selected Smith with the 37th overall pick in the second round of the 2009 NFL Draft, making him one of the most highly regarded defensive backs coming out of college that year.

Smith spent his first NFL season in Denver before being traded to the Detroit Lions in 2010. His time in Detroit produced the most productive statistical season of his professional career. He recorded five interceptions during the 2010 campaign, including an interception returned for a touchdown, and emerged as one of the Lions’ notable defensive playmakers that season.

He ultimately played parts of four NFL seasons with the Broncos and Lions, appearing in his final NFL games in 2012. Although his professional football career was relatively brief, his accomplishments at Wake Forest and his journey to the NFL established him as a notable figure in college and professional football.

The circumstances surrounding Smith’s death have attracted particular attention because of a deeply troubling Facebook post that appeared shortly before his death. Reports say the former player discussed painful experiences from his childhood, personal struggles and emotional difficulties in the lengthy message. He also expressed regret toward people in his life and apologized to his family.

According to TMZ Sports, sources with knowledge of the situation said Smith died by suicide Wednesday at a housing community in Florida. Other reports have also described the death as a suicide. Authorities have not publicly released extensive details surrounding the circumstances, so some aspects of the case remain unclear.

The tragedy has prompted renewed discussion about the private struggles that can remain hidden behind an accomplished public career. Smith’s story is a reminder that athletic success and public recognition do not necessarily reveal what someone may be experiencing away from the spotlight.

His death also underscores the importance of taking alarming messages seriously. Anyone experiencing a mental-health crisis or having thoughts of suicide in the United States can contact or call 988, the Suicide & Crisis Lifeline, for immediate support.

For many who remember him from his dominant days at Wake Forest or his years in the NFL, his death represents the loss of a talented athlete whose life ultimately became marked by struggles far removed from the football field.