Why are the Phillies wearing blue uniforms in the World Series?

Philadelphia Phillies added a new - Philadelphia Phillies

The Phillies could wear their powder blue uniforms for Game 5 of the World Series

Phillies classic powder blues will return in 2018 – SportsLogos.Net News

Castellanos hits 2 homers, powers Phillies past Braves 3-1 and into NLCS for 2nd straight season - NBC Sports

Verlander gets World Series win, Astros lead Phillies 3-2

Phillies on the brink of elimination in the World Series, after 3-2 loss to Houston

Verlander gets World Series win, Astros lead Phillies 3-2

Philadelphia Phillies - Wikipedia

Phillies to wear powder blue uniforms for NLDS Game 4 Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.

Uni Watch World Series Preview: A Deep Dive on the Phillies' Uniforms