Why do the Red Sox wear yellow jerseys?

Why Are the Red Sox Wearing Yellow and Blue? New Uniforms Explained

Kenley Jansen explains why Red Sox should be buyers at MLB trade deadline

Why are the Red Sox wearing yellow and blue? Origins of uniform examined

Boston Red Sox - How we're lining up tonight

Red Sox unveil yellow jerseys as part of 'City Connect' venture with Nike - The Boston Globe

The Boston Red Sox were given the green light by MLB to wear yellow and blue jerseys in postseason - Article - Bardown