The Bipolar Biography ProjectReal lives. Many Paths.

Keith O’Neil

Football · Advocate

United States
Bipolar I disorderSelf-disclosed [1]

Keith O’Neil is a former NFL linebacker who played for the Dallas Cowboys and Indianapolis Colts. He was a member of the Colts team that won Super Bowl XLI and later became a mental-health advocate and speaker. [2][3]

Last updated

Career and work

O’Neil played college football at Northern Arizona University, where he was a two-time first-team All-Big Sky selection and earned All-America honors as a senior. He entered the NFL as an undrafted free agent with the Dallas Cowboys in 2003 and spent two seasons with the team. [2]

He joined the Indianapolis Colts in 2005 and played through the 2006 season, finishing his NFL career as a member of the Colts team that won Super Bowl XLI. Across 52 NFL games, O’Neil recorded 72 tackles. [2]

What has been publicly discussed

“Football taught me to compete against others but also to compete against myself. That has helped me tremendously in battling my bipolar illness.”

— Keith O’Neil [6]