The Boston Red Sox were given the green light by MLB to wear yellow and blue jerseys in postseason - Article - Bardown
MLB green lights Red Sox' yellow jerseys for playoffs
Red Sox win doubleheader, sweep series vs. Yankees
Fact Check: Do the Red Sox play better in City Connect Jerseys? Comparing team's form in yellow and blue to regular uniform
Angels waste solid start by Reid Detmers, drop third in a row to Red Sox, National Sports
Red Sox improve to 5-1 vs. Yankees thanks to Brayan Bello
The Power of the Yellow Jersey – Red Sox Beat Angels 5-3
Why Did Red Sox Wear Yellow Jersey Against Yankees?
Red Sox' yellow City Connect uniforms are good luck, so they'll keep wearing them – NBC Sports Boston
Red Sox Bringing Back Yellow 'City Connect' Jerseys For Marathon Weekend Series - CBS Boston