Never been an Astros fan, with exception of J.R. Richard and Nolan, but I thought this was a really fun read about how the rainbow jerseys came to be in the mid-70s. I kept thinking, This would've been a MadMen episode had the show run a few more years.
http://www.espn.com/mlb/story/_/id/...n-iconic-rainbow-uniforms-story-worth-telling
http://www.espn.com/mlb/story/_/id/...n-iconic-rainbow-uniforms-story-worth-telling