A Hall of Fame running back, he died days before the 50th anniversary of one of the most memorable plays in N.F.L. history.

Franco Harris, the Hall of Fame running back for

the Pittsburgh Steelers whose shoestring catch known as

the “Immaculate Reception” in 1972 remains one of

the most memorable moments in N.F.L. history, died on Tuesday night at

his home in Sewickley, Pa., a suburb of Pittsburgh. He was 72.

His death was confirmed by his son, Franco,

who is known as Dok. He said that he did not know the cause.