Former USC and NFL linebacker Keith Browner has died at the age of 63, his son, former NFL defensive end Keith Browner Jr ., confirmed to TMZ Sports on Tuesday (November 4).

Browner died suddenly in San Leandro, California, which his son said left his family shocked. The former linebacker's cause of death hasn't yet been officially determined but he's believed to have suffered a heart attack.

Keith Jr. told TMZ Sports that his father was dealing with stomach issues, throwing up and feeling fatigue when they spoke Monday (November 3) night. Keith Sr. was planning to go to the hospital Tuesday morning before curling over the side of a chair and collapsing onto the floor next to his girlfriend.

Browner was a two-time Second-team All-Pac-10 selection during his collegiate care

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