Bains: Identifying the largest gaps between teams and their farm systems

From SABR member Derek Bain at Seamheads on February 13, 2018:

In the process of conducting research for the “Minors vs. Majors” chapter for my upcoming book “Hardball Retroactive,” I tabulated the overall won-loss records among the minor league affiliates for every Major League franchise since 1963. Further investigation allowed me to ascertain the largest gaps between MLB teams and their farm systems, divided into two distinct charts:

  • teams with the best overall minor league winning percentage as compared to their Major League record during the same season
  • teams with the top Major League winning percentage as compared to their overall minor league record during the same season
  • the second chart in each section depicts the Major League winning percentage for the selected teams over a ten-year period


The 1967 Mets and the 1973 Rangers are the only teams in the last 55 seasons to achieve the highest overall winning percentage among their minor league affiliates in a given year while ranking last in the Majors in the same category.

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Originally published: February 14, 2018. Last Updated: February 14, 2018.