Don Shula, the NFL’s most winningest coach who led the Miami Dolphins to the league’s only undefeated season, died Monday at the age of 90.

The Dolphins issued a statement saying that Shula died “peacefully at his home.”

Shula won an NFL-record 347 games (including playoffs).

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He coached the Dolphins (17-0) to the league’s only undefeated season in 1972, culminating in a 14-7 victory over the Washington Redskins in Super Bowl VII.

In all, Shula guided the Dolphins to five Super Bowls, including losses to the Redskins (27-17 in Super Bowl XVII) and San Francisco 49ers (38-16 in Super Bowl XIX).

Flip the Page to see the Dolphins statement: