Oswalt, Berkman officially retire as Astros
Pence working to bring Astros out of cellar - The San Diego Union-Tribune
HBU Head Baseball Coach Lance Berkman inducted into Astros Hall of Fame
Best Astros players by uniform number
Houston Astros: An oral history of 6-pitcher no-hitter vs. Yankees
Best Astros players by uniform number
Lance Berkman - Wikipedia
The 24 best players in Houston Astros history
Roy Oswalt, outfielder
Houston Astros: An oral history of 6-pitcher no-hitter vs. Yankees
Best Astros players by uniform number
The Pyramid Rating System's All-Time Houston Astros