List of Major League Baseball annual ERA leaders
American League

List of Major League Baseball annual ERA leaders

Section Title: American League
Table Section Text: None

Year	Leader	ERA	Team	Runner-up	ERA	Ref

1901	Cy Young†	1.62	Boston Americans	Nixey Callahan	2.42

1902	Ed Siever	1.91	Detroit Tigers	Rube Waddell†	2.05

1903	Earl Moore	1.74	Cleveland Naps	Cy Young†	2.08

1904	Addie Joss†	1.59	Cleveland Naps	Rube Waddell†	1.62

1905	Rube Waddell†	1.48	Philadelphia Athletics	Doc White	1.76

1906	Doc White	1.52	Chicago White Sox	Barney Pelty	1.59

1907	Ed Walsh†	1.60	Chicago White Sox	Ed Killian	1.78

1908	Addie Joss†	1.16	Cleveland Naps	Cy Young†	1.26

1909	Harry Krause	1.39	Philadelphia Athletics	Ed Walsh†	1.41

1910	Ed Walsh†	1.27	Chicago White Sox	Jack Coombs	1.30

1911	Vean Gregg	1.80	Cleveland Naps	Walter Johnson†	1.90

1912	Walter Johnson†	1.39	Washington Senators	Joe Wood	1.91

1913	Walter Johnson†	1.14	Washington Senators	Eddie Cicotte	1.58

1914	Dutch Leonard	0.96	Boston Red Sox	Rube Foster	1.70

1915	Joe Wood	1.49	Boston Red Sox	Walter Johnson†	1.55

1916	Babe Ruth†	1.75	Boston Red Sox	Eddie Cicotte	1.78

1917	Eddie Cicotte	1.53	Chicago White Sox	Carl Mays	1.74

1918	Walter Johnson†	1.27	Washington Senators	Stan Coveleski†	1.82

1919	Walter Johnson†	1.49	Washington Senators	Eddie Cicotte	1.82

1920	Bob Shawkey	2.45	New York Yankees	Stan Coveleski†	2.49

1921	Red Faber†	2.48	Chicago White Sox	George Mogridge	3.00

1922	Red Faber†	2.81	Chicago White Sox	Herman Pillette	2.85

1923	Stan Coveleski†	2.76	Washington Senators	Waite Hoyt†	3.02

1924	Walter Johnson†	2.72	Washington Senators	Tom Zachary	2.75

1925	Stan Coveleski†	2.84	Washington Senators	Herb Pennock†	2.96

1926	Lefty Grove†	2.51	Philadelphia Athletics	George Uhle	2.83

1927	Wilcy Moore	2.28	New York Yankees	Waite Hoyt†	2.63

1928	Garland Braxton	2.51	Washington Senators	Herb Pennock†	2.56

1929	Lefty Grove†	2.81	Philadelphia Athletics	Firpo Marberry	3.06

1930	Lefty Grove†	2.54	Philadelphia Athletics	Wes Ferrell	3.31

1931	Lefty Grove†	2.06	Philadelphia Athletics	Lefty Gomez†	2.67

1932	Lefty Grove†	2.84	Philadelphia Athletics	Red Ruffing†	3.09

1933	Mel Harder	2.95	Cleveland Indians	Tommy Bridges	3.09

1934	Lefty Gomez†	2.33	New York Yankees	Mel Harder	2.61

1935	Lefty Grove†	2.70	Boston Red Sox	Ted Lyons†	3.02

1936	Lefty Grove†	2.81	Boston Red Sox	Johnny Allen	3.44

1937	Lefty Gomez†	2.33	New York Yankees	Monty Stratton	2.40

1938	Lefty Grove†	3.08	Boston Red Sox	Red Ruffing†	3.31

1939	Lefty Grove†	2.54	Boston Red Sox	Ted Lyons†	2.76

1940	Bob Feller†	2.61	Cleveland Indians	Bobo Newsom	2.83

1941	Thornton Lee	2.37	Chicago White Sox	Al Benton	2.97

1942	Ted Lyons†	2.10	Chicago White Sox	Tiny Bonham	2.27

1943	Spud Chandler	1.64	New York Yankees	Tiny Bonham	2.27

1944	Dizzy Trout	2.12	Detroit Tigers	Hal Newhouser†	2.22

1945	Hal Newhouser†	1.81	Detroit Tigers	Al Benton	2.02

1946	Hal Newhouser†	1.94	Detroit Tigers	Spud Chandler	2.10

1947	Joe Haynes	2.42	Chicago White Sox	Bob Feller†	2.68

1948	Gene Bearden	2.43	Cleveland Indians	Ray Scarborough	2.82

1949	Mike Garcia	2.36	Cleveland Indians	Mel Parnell	2.77

1950	Early Wynn†	3.20	Cleveland Indians	Ned Garver	3.39

1951	Saul Rogovin	2.78	Chicago White Sox Detroit Tigers	Ed Lopat	2.91

1952	Allie Reynolds	2.06	New York Yankees	Mike Garcia	2.37

1953	Ed Lopat	2.42	New York Yankees	Billy Pierce	2.72

1954	Mike Garcia	2.64	Cleveland Indians	Sandy Consuegra	2.69

1955	Billy Pierce	1.97	Chicago White Sox	Whitey Ford†	2.63

1956	Whitey Ford†	2.47	New York Yankees	Herb Score	2.53

1957	Bobby Shantz	2.45	New York Yankees	Tom Sturdivant	2.54

1958	Whitey Ford†	2.01	New York Yankees	Billy Pierce	2.68

1959	Hoyt Wilhelm†	2.19	Baltimore Orioles	Camilo Pascual	2.64

1960	Frank Baumann	2.67	Chicago White Sox	Jim Bunning†	2.79

1961	Dick Donovan	2.40	Washington Senators	Bill Stafford	2.68

1962	Hank Aguirre	2.21	Detroit Tigers	Robin Roberts†	2.78

1963	Gary Peters	2.33	Chicago White Sox	Juan Pizarro	2.39

1964	Dean Chance	1.65	Los Angeles Angels	Joe Horlen	1.88

1965	Sam McDowell	2.18	Cleveland Indians	Eddie Fisher	2.40

1966	Gary Peters	1.98	Chicago White Sox	Joe Horlen	2.43

1967	Joe Horlen	2.06	Chicago White Sox	Gary Peters	2.28

1968	Luis Tiant	1.60	Cleveland Indians	Sam McDowell	1.81

1969	Dick Bosman	2.19	Washington Senators	Jim Palmer†	2.34

1970	Diego Seguí	2.56	Oakland Athletics	Jim Palmer†	2.71

1971	Vida Blue	1.82	Oakland Athletics	Wilbur Wood	1.91

1972	Luis Tiant	1.91	Boston Red Sox	Gaylord Perry†	1.92

1973	Jim Palmer†	2.40	Baltimore Orioles	Bert Blyleven†	2.52

1974	Catfish Hunter†	2.49	Oakland Athletics	Gaylord Perry†	2.51

1975	Jim Palmer†	2.09	Baltimore Orioles	Catfish Hunter†	2.58

1976	Mark Fidrych	2.34	Detroit Tigers	Vida Blue	2.35

1977	Frank Tanana	2.54	California Angels	Bert Blyleven†	2.72

1978	Ron Guidry	1.74	New York Yankees	Jon Matlack	2.27

1979	Ron Guidry	2.78	New York Yankees	Tommy John	2.96

1980	Rudy May	2.46	New York Yankees	Mike Norris	2.53

1981	Sammy Stewart	2.32	Baltimore Orioles	Steve McCatty	2.33

1982	Rick Sutcliffe	2.96	Cleveland Indians	Bob Stanley	3.10

1983	Rick Honeycutt	2.42	Texas Rangers	Mike Boddicker	2.77

1984	Mike Boddicker	2.79	Baltimore Orioles	Dave Stieb	2.83

1985	Dave Stieb	2.48	Toronto Blue Jays	Charlie Leibrandt	2.69

1986	Roger Clemens	2.48	Boston Red Sox	Teddy Higuera	2.79

1987	Jimmy Key	2.76	Toronto Blue Jays	Frank Viola	2.90

1988	Allan Anderson	2.45	Minnesota Twins	Teddy Higuera	2.45

1989	Bret Saberhagen	2.16	Kansas City Royals	Chuck Finley	2.57

1990	Roger Clemens	1.93	Boston Red Sox	Chuck Finley	2.40

1991	Roger Clemens	2.62	Boston Red Sox	Tom Candiotti	2.65

1992	Roger Clemens	2.41	Boston Red Sox	Kevin Appier	2.46

1993	Kevin Appier	2.56	Kansas City Royals	Wilson Álvarez	2.95

1994	Steve Ontiveros	2.65	Oakland Athletics	Roger Clemens	2.85

1995	Randy Johnson†	2.48	Seattle Mariners	Tim Wakefield	2.95

1996	Juan Guzmán	2.93	Toronto Blue Jays	Pat Hentgen	3.22

1997	Roger Clemens	2.05	Toronto Blue Jays	Randy Johnson†	2.28

1998	Roger Clemens	2.65	Toronto Blue Jays	Pedro Martínez†	2.89

1999	Pedro Martínez†	2.07	Boston Red Sox	David Cone	3.44

2000	Pedro Martínez†	1.74	Boston Red Sox	Roger Clemens	3.70

2001	Freddy García	3.05	Seattle Mariners	Mike Mussina†	3.15

2002	Pedro Martínez†	2.26	Boston Red Sox	Derek Lowe	2.58

2003	Pedro Martínez†	2.22	Boston Red Sox	Tim Hudson	2.70

2004	Johan Santana	2.61	Minnesota Twins	Curt Schilling	3.26

2005	Kevin Millwood	2.86	Cleveland Indians	Johan Santana	2.87

2006	Johan Santana	2.77	Minnesota Twins	Roy Halladay†	3.19

2007	John Lackey	3.01	Los Angeles Angels of Anaheim	Fausto Carmona	3.06

2008	Cliff Lee	2.54	Cleveland Indians	Roy Halladay†	2.78

2009	Zack Greinke	2.16	Kansas City Royals	Félix Hernández	2.49

2010	Félix Hernández	2.27	Seattle Mariners	Clay Buchholz	2.33

2011	Justin Verlander	2.40	Detroit Tigers	Jered Weaver	2.41

2012	David Price	2.56	Tampa Bay Rays	Justin Verlander	2.64

2013	Aníbal Sánchez	2.57	Detroit Tigers	Bartolo Colón	2.65

2014	Félix Hernández	2.14	Seattle Mariners	Chris Sale	2.17

2015	David Price	2.45	Detroit Tigers Toronto Blue Jays	Dallas Keuchel	2.48

2016	Aaron Sanchez	3.00	Toronto Blue Jays	Justin Verlander	3.04

2017	Corey Kluber	2.25	Cleveland Indians	Chris Sale	2.90

2018	Blake Snell	1.89	Tampa Bay Rays	Trevor Bauer	2.21

Sentence(s)

Lefty Grove led the American League in ERA nine times, with a career single-season low of 2.06 for the 1931 Philadelphia Athletics.

final_sentence: Lefty Grove led the American League in ERA nine times, with a career single-season low of 2.06 for the 1931 Philadelphia Athletics.