BNN Stats: Single-Season Records
Who holds the single season record in the Union League for on-base percentage?

<Jeff Cummings:player#971>, MP,  .4889, 2020
<Cristóbal Ruíz:player#6354>, ABQ,  .4863, 2029
<José Rosales:player#4688>, ABQ,  .4852, 2053
<Ken Tardy:player#6073>, MP,  .4797, 2054
<Langgeng Kawilarang:player#907>, VA,  .4779, 2018
