![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://cdnph.upi.com/svc/sv/upi/6891609116391/2020/1/89ae038fe6db9c66474bdd3c49d9edff/Hall-of-Fame-knuckleballer-Phil-Niekro-dies-at-81.jpg)
Hall of Fame knuckleballer Phil Niekro dies at 81
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://i.ebayimg.com/images/g/YEYAAOSwzyFjV5FV/s-l1200.jpg)
2021 National Treasures Hall of Fame Signatures Holo Gold /25 Phil
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://empiresportsmedia.com/wp-content/uploads/2020/12/niekro-1150x855.jpg)
New York Yankees: Hall of Fame pitcher Phil Niekro passes away
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://c8.alamy.com/comp/BTJRG3/atlanta-braves-pitchers-joe-niekro-phil-niekro-demonstrate-their-knuckleball-BTJRG3.jpg)
Knuckleball hi-res stock photography and images - Alamy
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://upload.wikimedia.org/wikipedia/commons/8/89/Phil_Niekro_1974.jpg)
Phil Niekro - Wikipedia
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://baseballhall.org/sites/default/files/styles/story_popup_thumb_540/public/Niekro%20Phil%201783.2000_HS_NBL_0.jpg.jpeg?itok=nDjNQ2PJ)
Niekro makes his pitch for 300th win
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://www.georgiaencyclopedia.org/wp-content/uploads/2021/02/niekro-signing-autograph_001.jpg)
Phil Niekro - New Georgia Encyclopedia
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://people.com/thmb/Sj4wi-kE9HpRYS6mgOJP96n8vz0=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc():focal(899x79:901x81)/phil-niekro-1307ab5da4b642efaf8a135e3bcdff07.jpg)
Phil Niekro, Hall of Fame Pitcher, Dies at 81
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://i.cbc.ca/1.5855597.1609094586!/fileImage/httpImage/kiekro-phil-290912.jpg)
Baseball Hall of Famer, knuckleballer Phil Niekro dies at 81
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://library.sportingnews.com/2021-08/joeniekro-nailfile-mlb-ftr-080317jpg_15ba7al1qkc4y11bt0n6hnobwb.jpg)
Aug. 3, 1987: That time Joe Niekro tried to hide evidence of
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/gexsdjaec2rihzy9sbfu)
Phil Niekro dies at 81
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://cdn.vox-cdn.com/thumbor/mcjLrepHtP5LbPjmGEETpPCOi2Y=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/22199970/50804125.jpg)
Oakland A's news: Phil Niekro, Hall of Fame pitcher, dies at 81
![Hall of Fame pitcher Phil Niekro, famous for signature knuckleball](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/lnb64nih0yg2o0jlcthq)
Phil Niekro dies at 81