Phil Niekro, Hall of Fame Knuckleball Pitcher, Dies at 81 - The New York Times
Nolan Ryan and the Top 15 Starting Pitchers in the History of the Houston Astros, News, Scores, Highlights, Stats, and Rumors
Breaking Down the New Players on This Year's Baseball Hall of Fame Ballot - The New York Times
NPASHF Phil Niekro
Niekro, Phil Baseball Hall of Fame
Baseball-Braves great Niekro dead at age 81
Phil Niekro goes the distance (August 5, 1973)
Atlanta Braves Legend Phil Niekro Dead at 81 - Last Word On Baseball
1970 Topps NL Pitching Leaders (Tom Seaver/Phil Niekro/Fergie Jankins/Juan Marichal)
Baseball Hall of Famer, knuckleballer Phil Niekro dies at 81
Remembering Phil Niekro: 1939-2020 - Cooperstown Cred
Niekro remembered for mastery of the knuckleball
How many MLB pitchers have the most career wins without a no-hitter? - Quora
Niekro throws no-hitter against Padres in 1973
Niekro, Phil Baseball Hall of Fame