10/24/2008 at 01:05 PM EDT
For Tim McGraw
, this year's World Series between the Philadelphia Phillies and the Tampa Bay Rays holds some serious significance.
Twenty-eight years ago, the country star's dad – Phillies relief pitcher Tug McGraw – sealed Philadelphia's one and only World Series victory by notching the game's final strikeout.
So Saturday night, McGraw will honor his dad, who passed away of cancer in 2004, by walking the ball to the pitcher's mound before the start of game three in Philadelphia.
The singer will share the moment with a local member of the Boys & Girls Clubs of America.
Though 1980 marked the Phillies' first World Series championship, it was Tug's second: Dad also helped the New York Mets clinch the Series in 1969.
Raised by his mother and his stepfather, McGraw was 11 when he learned Tug was his biological father, and in later years, the two became very close.