Former Pittsburgh Steelers linebacker Clark Haggans died from complications of chronic alcohol use, according to the Larimer County Coroner’s Office in Colorado.

Haggans, 46, died June 19 at a home in Fort Collins, Colo. He was a starting outside linebacker for the Steelers’ Super Bowl XL winning team in 2006.

Haggans played 107 games with the Steelers over eight seasons, making 61 starts and recording 32½ sacks. He often played opposite college teammate and fellow linebacker Joey Porter while wearing black and gold.

He retired in 2012 after stints with the Arizona Cardinals and San Francisco 49ers.

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