Phil Niekro - Wikipedia
Hall of Fame pitcher Phil Niekro, famous for signature knuckleball, dies at 81 - ESPN
Obituary: Phil Niekro (1939-2020) – RIP Baseball
Phil Niekro: Breaking News, Rumors & Highlights
Phil Niekro dies at 81
With Phil Niekro's Death, Baseball Has Lost the Knuckleball and Its Master - The New York Times
Baseball Hall of Fame pitcher Phil Niekro dies at 81
Oakland A's news: Phil Niekro, Hall of Fame pitcher, dies at 81 - Athletics Nation
Phil Niekro obituary: legendary knuckleball pitcher dies at 81 –
Legendary Braves pitcher, Hall of Famer Phil Niekro dies at age of 81 – WSB-TV Channel 2 - Atlanta