San Francisco Giants: Top Ten First Baseman in Team History

By Michael Saltzman

Jan 9, 2017

Aug 31, 2016; San Francisco, CA, USA; San Francisco Giants first baseman Brandon Belt (9) extends to catch the ball to retire Arizona Diamondbacks starting pitcher Shelby Miller (26) during the third inning at AT&T Park. Mandatory Credit: Kelley L Cox-USA TODAY Sports /

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Jul 31, 2015; Arlington, TX, USA; A view of a San Francisco Giants baseball hat and glove during the game between the Texas Rangers and the San Francisco Giants at Globe Life Park in Arlington. The Rangers defeated the Giants 6-3. Mandatory Credit: Jerome Miron-USA TODAY Sports /

6. Johnny Mize (1942-1949)

Wins Above Replacement: 28.3

Mize played only five seasons with the Giants. After his first season with the team in 1942, he spent the next three years fighting overseas in World War II. The Hall of Famer went to the All-Star game nine times in his career and four times with the Giants. In his first four years with the Giants, he also earned MVP votes and finished third in 1947. That year he was a WAR of 7.1 and finished that season with a slashline of .302/.384/.614 for an incredible OPS of .998. He also had career highs in home runs and RBI’s with 51 and 138 respectively.

Overall, he played 655 career games at first base in New York and had a career slashline with the Giants of .299/.389/.549 for an OPS of .938.