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MLB's Best Seasons by Teenagers

Some baseball players begin to make their mark in the big leagues as teenagers. Here are 20 of the best seasons ever by teenagers--10 hitters and 10 pitchers. The players are listed in order of their Wins Above Replacement for the season, using data from Baseball-Reference.

Position Players

Best Teenage Seasons Harper

Bryce Harper, Nationals
Year: 2012. Age: 19
Wins Above Replacement: 5.2

Rob Tringali/MLB Photos

Best Teenage Seasons Ott

Mel Ott, Giants
Year: 1928. Age: 19
WAR: 3.9

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Griffey

Ken Griffey Jr., Mariners
Year: 1989. Age: 19
WAR: 3.3

Jonathan Daniel/Allsport/Getty Images

Best Teenage Seasons Renteria

Edgar Renteria, Marlins
Year: 1996. Age: 19
WAR: 3.2

Otto Greule Jr/Getty Images

Best Teenage Seasons Soto

Juan Soto, Nationals
Year: 2018. Age: 19
WAR: 3.0

Rob Tringali/MLB Photos

Best Teenage Seasons Cobb

Ty Cobb, Tigers
Year: 1906. Age: 19
WAR: 2.5

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Lewis

Buddy Lewis, Senators (pictured second from left)
Year: 1936. Age: 19
WAR: 2.1

Transcendental Graphics/Getty Images

Best Teenage Seasons Jackson

Travis Jackson, Giants
Year: 1923. Age: 19
WAR: 2.1

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Cedeno

Cesar Cedeno, Astros
Year: 1970. Age: 19
WAR: 1.8

Louis Requena/MLB Photos

Best Teenage Seasons Machado

Manny Machado, Orioles
Year: 2012. Age: 19
WAR: 1.6

Brad Mangin/MLB Photos

Pitchers

Best Teenage Seasons Nolan

Gary Nolan, Reds
Year: 1967. Age: 19
WAR: 6.3

Louis Requena/MLB Photos

Best Teenage Seasons Gooden

Dwight Gooden, Mets
Year: 1984. Age: 19
WAR: 5.5

Rich Pilling/MLB Photos

Best Teenage Seasons Feller No. 2

Bob Feller, Indians
Year: 1938. Age: 19
WAR: 5.1

National Baseball Hall of Fame Library/MLB Photos

Best Teenage Seasons Bender

Chief Bender, Athletics
Year: 1903. Age: 19
WAR: 4.3

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Bressler

Rube Bressler, Athletics
Year: 1914. Age: 19
WAR: 3.5

Bettmann Archive/Getty Images

Best Teenage Seasons Bunker

Wally Bunker, Orioles
Year: 1964. Age: 19
WAR: 3.4

Louis Requena/MLB Photos

Best Teenage Seasons Feller

Bob Feller, Indians
Year: 1937. Age: 18
WAR: 3.4

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Dierker

Larry Dierker, Astros
Year: 1966. Age: 19
WAR: 3.3

Louis Requena/MLB Photos

Best Teenage Seasons Wood

Smoky Joe Wood, Red Sox
Year: 1909. Age: 19
WAR: 2.9

National Baseball Hall of Fame Library/MLB

Best Teenage Seasons Hernandez

Felix Hernandez, Mariners
Year: 2005. Age: 19
WAR: 2.8

Otto Greule Jr/Getty Images