It was 50 years ago, on Dec. 23, 1972, when Franco Harris of the Pittsburgh Steelers recorded the Immaculate Reception, viewed by many as the greatest play in NFL history.

Here are 10 things to know about the "Immaculate Reception," the greatest play in NFL history. 1. Was the 'Immaculate Reception' legal?

Franco Harris’s touchdown catch in a first-round playoff game 50 years ago Friday marked a turning point for the Pittsburgh Steelers.

While it’s likely the most famous and most replayed replay in NFL history, it’s not very good. It’s unclear, grainy. It shows little and proves nothing.

Reliving the play voted the greatest in NFL history ahead of the league’s 100th season in 2019 never seemed to get old for Harris.

The play stands among the most iconic in Steelers and NFL history, while remaining one of the most controversial plays in Raiders history.

Still a source of pure jubilation for Pittsburgh Steelers fans and pure despondence for Raiders rooters, the "Immaculate Reception" lives on as the play recognized as the greatest in NFL chronicle.

Fifty years later, The Immaculate Reception still has a strong case as the greatest play in NFL history. Back on Dec. 23, 1972, the Steelers needed a last-minute miracle to beat the Raiders in the ...

The NFL considers Franco Harris’ “Immaculate Reception” the greatest play in league history, but it’s more than that.