Notable knuckleballersEddie Cicotte | Nickname: Knuckles

1905-20 Red Sox, White Sox

Numbers: 209-148, 2.38 ERA

Years in majors: 14

Pitched until age 36

Skinny: Also threw spitter and shine ball, when still legal. Banned from baseball in 1920 in the Chicago Black Sox scandal.

Jesse Haines | Nickname: Pop

1918 Reds, 1920-37 Cardinals

Numbers: 210-158, 3.64 ERA

Years in majors: 19

Pitched until age 44

Skinny: Hall of Famer hit a home run and pitched a shutout in the 1926 World series against the Yankees.

Ted Lyons | Nickname: Sunday Teddy

1923-1946 White Sox

Numbers: 260-230, 3.67 ERA

Years in majors: 21

Pitched until age 45

Skinny: Hall of Famer learned the knuckler in 1931 after White Sox manager Donie Bush pronounced his arm "dead."

Edwin Rommel | Nickname: Eddie

1920-1932 A's (Philadelphia)

Numbers: 171-119, 3.54 ERA

Years in majors: 13

Pitched until age 35

Skinny: Considered the father of the modern knuckleball, his other claim to fame was his second career as a major league umpire.

Emil Leonard | Nickname: Dutch

1933-53 Dodgers, Senators, Phillies, Cubs

Numbers: 191-181, 3.25 ERA

Years in majors: 20

Pitched until age 44

Skinny: Ace of the 1944 Washington Senators' all-knuckleballer pitching staff that included Mickey Haefner, Johnny Niggeling and Roger Wolff.

Hoyt Wilhelm | Nickname: The Doctor, Old Sarge

1952-72 Giants, Cardinals, Indians, Orioles, White Sox, Angels, Braves, Cubs, Dodgers

Numbers: 143-122, 2.52 ERA

Years in majors: 21

Pitched until age 50

Skinny: First reliever elected to Hall of Fame, he mentored Wilbur Wood and Hough. No-hit the Yankees during a rare start in 1958.

Wilbur Wood | Nickname: Wilbah

1961-78 Red Sox, Pirates, White Sox

Numbers: 164-156, 3.24 ERA

Years in majors: 17

Pitched until age 36

Skinny: Won 20 or more games four seasons in a row, including 1972, when he went 24-17.

Jim Bouton | Nickname: Bulldog

1962-70, 78 Yankees, Seattle Pilots, Astros, Braves

Numbers: 62-63, 3.57 ERA

Years in majors: 10

Pitched until age 39

Skinny: Learned knuckler as a child, began using it with Yankees in 1964. Made famous by authoring "Ball Four," a tell-all book.

Bob Moorhead | Nickname: None

1962, 1965 Mets

Numbers: 0-3, 4.51 ERA

Years in majors: 2

Pitched until age 27

Skinny: First of Mets' four knuckleballers, followed by Tom Sturdivant, Rich Sauveur and R.A. Dickey

Phil Niekro

Nickname: Knucksie

1964-1987 Braves, Yankees, Indians, Blue Jays, Braves

Numbers: 318-274, 3.35 ERA

Years in Majors: 24

Pitched until age 48

Skinny: Hall of Famer owns most wins by a knuckleballer.

Joe Niekro

Nickname: Knucksie

1967-1988 Cubs, Padres, Tigers, Braves, Astros, Yankees, Twins

Numbers: 221-204, 3.59 ERA

Years in Majors: 22

Pitched until age 43

Skinny: Younger brother of Phil owns the Astros' record for career victories.

Charlie Hough

Nickname: None

1970-94 Dodgers, Rangers, White Sox, Marlins

Numbers: 216-216, 3.75 ERA

Years in Majors: 25

Pitched until age 46

Skinny: Reliever for the first 12 years of his career, starter for the final 13. Holds record for most wins by an exactly .500 pitcher.

Tom Candiotti

Nickname: Candy Man

1983-99 Brewers, Indians, Blue Jays, Dodgers, Athletics, Indians

Numbers: 151-164, 3.73

Years in Majors: 16

Pitched until age 41

Skinny: Portrayed Wilhelm in Billy Crystal's film, "61*."

Tim Wakefield

Nickname: Wake

1992-2011 Pirates, Red Sox

Numbers: 200-180, 4.41 ERA

Years in Majors: 19

Pitched until age 45

Skinny: First baseman turned pitcher. Surrendered Aaron Boone's series-ending home run against the Yankees in the 2003 ALCS, but pitched for the World Series winners in 2004.

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