Greg Hawthorne, a Super Bowl champion running back with the Pittsburgh Steelers has died, his family announced on social media. He was 69.

The Steelers selected Hawthorne with the No. 28 overall pick out of Fort Worth Polytechnic in the 1979 NFL Draft. He was a rookie when the Steelers defeated the Los Angeles Rams in Super Bowl XIV.

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“On behalf of the Hawthorne family, it is with deep sadness that our brother Gregory Dale Hawthorne passed away last night,” a Facebook post read. “Please keep his mother and his children, his brother and sisters as well as the whole family in your prayers.”

A cause of death was not made known.

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Hawthorne played five years with the Steelers, splitting time between running back and a wide receiver. He appeared in 59 games, had 522 rushing yards and seven rushing touchdowns. He also had 55 catches for 710 yards and three touchdown catches.

He played three seasons with the New England Patriots and one more with the Indianapolis Colts. He made a game-changing play in the 1985 AFC Championship for the Patriots, recovering a fumble on the opening kickoff of the second half. New England won the game and advanced to Super Bowl XX.

He finished his career playing in 105 games with 11 total touchdowns and 1,639 yards from scrimmage.