Red Sox know to wear yellow jerseys 'in case of an emergency;' Whose idea?

In Which I Waste a Whole Day Engaging in a Ridiculous E-Mail Debate (and now you can waste a whole day reading about it)

The best young referee in the state, Sports

Red Sox' yellow City Connect uniforms are good luck, so they'll keep wearing them – NBC Sports Boston

Jason Mackey's Pirates chat transcript: 04.04.23

Never in Finer Company by Edward G. Lengel

The Boston Red Sox Have Traded Their Red, White, And Blue For Banana-Colored Jerseys - Boston Uncovered