George Brett, current Royals players show off the powder blues
Kansas City Current and Royals flags on display at the Plaza
Bring back the powder blues for real, you cowards - Royals Review
October 11, 1985: George Brett's 'best game' lifts Royals in ALCS with two homers – Society for American Baseball Research
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Kansas City Royals Update Their Uniforms
George Brett's top moments of career
Bring back the powder blues for real, you cowards - Royals Review
Kansas City Royals Update Their Uniforms
George Brett in 2 early versions of the powder blue jersey.
I'm Blue, Da Ba Dee Da Ba Die!
Inside Stitch: Which blues rule?, 05/02/2023