Vida Blue, Pitching Sensation for Champion A's Teams, Dies at 73 - The New York Times
Kansas City Royals on X: The smile of an 8x All-Star. 😁 #AllStarGame / X
Bring back the powder blues for real, you cowards - Royals Review
Kansas City Royals - Wikipedia
Ranking MLB's City Connect uniforms - ESPN
Royals Rumblings - News for March 31, 2023 - Royals Review
George Brett, current Royals players show off the powder blues
Powder blue jerseys - with pants - return to Royals uniform rotation in 2023
Royals Publications
Royals set to bring back full powder blue uniforms