Red Sox will play in blue and yellow in Boston Marathon tribute this weekend - The Washington Post
Red Sox release Patriots Day-inspired City Connect Uniforms
MLB 2021: What's New in Logos and Uniforms – SportsLogos.Net News
MLB City Connect uniforms, ranked: Where Orioles' new Nike look fits between worst (Giants) and best (Marlins)
Why Are the Red Sox Wearing Yellow and Blue? New Uniforms Explained
Boston Red Sox 'push the envelope' with marathon-inspired blue-yellow uniforms - ESPN
Why are the Boston Red Sox wearing yellow and blue uniforms today?
Red Sox without the red: Boston unveils yellow uniforms with Marathon in mind - The Athletic
Red Sox 'don't have any specific plans' to wear City Connect uniforms again this season – Blogging the Red Sox
Why Are the Red Sox Wearing Yellow and Blue? New Uniforms Explained