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Mike Pettine Sr., a legendary high school football coach in Pennsylvania and father of former Browns head coach Mike Pettine Jr., passed away on Friday.

Per the Bucks County Times, Pettine Sr. was at his winter home in Florida when he passed.

Pettine Sr. was the coach at Central Bucks West High School in Eastern Pennsylvania for 33 seasons and won 326 games. He also won four state championships and won three consecutive state championships before retiring in 1999. His final year as coach was documented by ESPN cameras for a series called The Season.

Pettine Sr. was 5-0 against his son before Mike Pettine Jr. went to the NFL, first with the Ravens, then as defensive coordinator with the Bills before becoming head coach of the Browns in 2014-15. Pettine Sr. was often seen at Browns training camp and other offseason activities when his son was in Cleveland.