Super Bowl -Master Mike Collier died on Sunday, according to an online obituary. He was 71.

Collier died at the Meritus Medical Center in Hagerstown, Maryland, said the obituary. The cause of death is unknown.

Collier was with Pittsburgh Steelers in 1975 when the team won the Super Bowl X. He played in three playoff games on his way to win the big game.

CLICK HERE for more sports cover at Foxnews.com

Collier, one running back, played three seasons in the NFL, spent one with steelers and two with Buffalo Bills.

During his three -year career, Collier played in 36 games and had 86 rushing attempts at 870 yards and five touchdowns.

“It used to seem like a dream,” Collier said of playing in the NFL via Baltimore Sun in 2013.

“I realize that many people would love to have been in my position. I thank God for giving me the opportunity to be there.”

Ex-NFL Punter Chris Kluwe wants officials to participate in ‘civil disobedience’ after his ‘maga’ Protestation Station

A Pittsburgh Steelers helmet sits on an equipment tribe during the game against Houston Texans in the fourth quarter at Acrisure Stadium. (Charles Leclaire-usa Today Sports)

Collier played college football at Morgan State University and was drafted in the 14th round (364 overall elections) in the NFL draft of 1975 by Steelers.

In Morgan State he served his Bachelor of Science in physical training.

After retiring from the NFL, Coachede Collier local young people in football, basketball and baseball, according to his obituary.

A detailed overview of the Buffalo Bills helmet before the AFC championship against Kansas City Chiefs at Geha Field at Arrowhead Stadium. (Denny Medley-prescribed images)

Collier also worked as a grocery store until his retirement in 2021.

He enjoyed signing autographs to local charities while spending time with his family and watching football, per. His obituary.

Collier is survived by his wife of 40 years, Lisa and his three children and six grandchildren and his three brothers and sisters.