Houston's longest-tenured athletes
Astros Hall of Fame, Lance Berkman
Houston Astros' Framber Valdez Throws No-No
After 15 major league seasons, Lance Berkman to retire
Astros all-time first basemen
Lance Berkman - Wikipedia
Lance Berkman – Society for American Baseball Research
Astros: Result of keeping Richard Hidalgo over Bobby Abreu
Lance Berkman decides to retire after 15-year career - ESPN
Astros: Lance Berkman in retrospect. Where is the Big Puma now?
MLB Top 5: Houston Astros Corner Infielders and DHs - LWOSports