MLB - We mourn the passing of Hall of Famer Phil Niekro, a
Phil Niekro, Atlanta Braves legend known for knuckleball pitch, dies at age 81
Baseball Hall of Famer, knuckleballer Phil Niekro dies at 81
No Spin Zone: Knuckleball master Phil Niekro to speak at Field of Dreams Banquet, Sports
Phil Niekro obituary: legendary knuckleball pitcher dies at 81 –
Legendary Atlanta Braves pitcher Phil Niekro dies at 81, Sports
Phil Niekro, Hall of Fame knuckleballer, dead at 81
Niekro, Phil Baseball Hall of Fame
With Phil Niekro's Death, Baseball Has Lost the Knuckleball and Its Master - The New York Times