Niekro remembered for mastery of the knuckleball
Phil Niekro, Hall of Fame knuckleball pitcher, dies at 81 - The Washington Post
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Famed Knuckleball Pitcher Phil Niekro Dead at 81
Phil Niekro had an INSANE knuckleball!
Phil Niekro, Hall of Fame knuckleballer, dies of cancer at 81
June 28, 1986 – Cleveland knuckleballer Phil Niekro and California right-hander Don Sutton…
How To Throw The Perfect Knuckleball: A Comprehensive Guide – Krato Sports