Astros rainbow uniform history
MLB Jersey & Cap History
Nike Men's Houston Astros Jose' Altuve Rainbow Cooperstown Jersey
Astros' uniform tradition unlike any other in baseball
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Rainbow guts' spilt their name across US
The Stars Rise Again
MLB Power Rankings: The Late '70s Astros and the 10 Ugliest
The Long-Lost Story Behind The Astros' Famous Rainbow Uniforms
The Stars Rise Again
The Stars Rise Again
Houston Astros Wearing “Rainbow” Jerseys, Pics – SportsLogos.Net News
The full story on Houston's iconic rainbow uniforms - ESPN