Jelaskan Afiliasi dari Houston Astros

AAA: Round Rock Express, Pacific Coast League

AA: Corpus Christi Hooks, Texas League

Advanced A: Salem Avalanche, Carolina League

A: Lexington Legends, South Atlantic League (Utara)

Short A: Tri-City ValleyCats, New York - Penn League (Stedler)

Rookie: Greeneville Astros, Appalachian League (Barat)