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

Why are the Phillies wearing blue uniforms in the NLDS?

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

Castellanos hits 2 homers, powers Phillies into NLCS for 2nd straight season

Rumor: Philadelphia Phillies to Wear Powder Blue Uniforms for World Series Game 5 - Sports Illustrated Inside The Phillies

World Series: Struggling Phillies Bring Back Memories of 1983 - The New York Times

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

Phillies will wear powder blue uniforms for first time this season on Thursday Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.

When do the Phillies play? NLDS Game 4 vs. Braves pushed to 8:07 start

The Phillies Are Going to Have to Get Rid of One Uniform Due To Nike Rule - Crossing Broad

Ranking MLB's Best Powder Blue Jerseys