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The Buffalo Bills and their fans are mourning the passing of super fan Ezra Castro, who died on Tuesday at the age of 39 after a battle with cancer.

Known better as Pancho Billa, Castro’s fandom has been known throughout the NFL. The Bills decided to take to social media hours after Castro’s passing to pay tribute to him with this amazing video.

“We have lost our dear brother Ezra ‘Pancho Billa’ this morning,” the family wrote in announcing his passing, via Buffalo News. “We are thankful and forever grateful for all the love and support during this journey. Ezra was surrounded by family and loved ones.”

We join in with the Bills and others in hoping for the best for Castro’s family during these most difficult of times.