The Houston Astros have retired 9 numbers of former players
The Yankees have a lot of retired numbers. Other teams should try
Every MLB team's retired numbers
File:Craig Biggio Retired Number 7 at Minute Maid Park.jpg - Wikipedia
Mets to Retire Doc Gooden and Darryl Strawberry's Numbers
Houston Astros retired numbers
Yankee stadium monument park hi-res stock photography and images
Every MLB team's retired numbers
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - NBC