Tim McGraw and Faith Hill's daughter Gracie just celebrated St Patrick's Day with the sweetest tribute. Taking to Instagram on Friday, the 25-year-old shared a throwback photo of her paternal grandfather – famed Major League Baseball player, Tug McGraw. Pictured in an old news clipping, Tim McGraw's father could be seen wearing an Irish party hat, green underwear and stockings as he celebrated the holiday with the Philadelphia Phillies manager, Danny Ozark. MORE ON FAMILY: Tim McGraw gets nostalgic about cross country trips with his daughtersWhile Tug sadly passed away on January 5 2004, the McGraw family have continued to celebrate his enduring legacy.