List of knuckleball pitchers - Wikipedia
Hall of Fame pitcher Phil Niekro, famous for signature knuckleball
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Phil Niekro, Hall of Fame pitcher, dies at the age of 81
Phil Niekro, Hall of Fame Knuckleball Pitcher, Dies at 81 - The
Phil Niekro - Wikipedia
Phil Niekro, Hall of Fame Knuckleball Pitcher, Dies at 81 - The
Atlanta Braves: What is a knuckleball pitch?
Phil Niekro, Hall of Fame knuckleballer, dead at 81
10 memorable moments from Phil Niekro's remarkable baseball career
KNUCKSIE HASN'T LOST HIS GRIP - Sports Illustrated Vault