The luncheon, which will be hosted by Hall of Fame broadcaster Milo Hamilton, is open to the public. Tickets are $75 and can be purchased online at www.astros.com/flashback. The deadline to purchase tickets is noon on Friday.
Among the players committed to attend the luncheon and participate in the on-field ceremony prior to the game are Jeff Bagwell, Craig Biggio, Cesar Cedeno, Roger Clemens, Larry Dierker, Jimmy Wynn, J.R. Richard, Jose Cruz, Alan Ashby, Art Howe, Terry Puhl and Dickie Thon.
The program for the luncheon will include a question-and-answer session with attending members of the Astros' all-time 25-man roster, a special video presentation commemorating the history of the Astros and a tribute to team legends that have passed away.
Raffle tickets for autographed memorabilia will be available for purchase at registration. Proceeds from the luncheon will benefit the Astros In Action Foundation.
Biggio, who will be on the Hall of Fame ballot for the first time this winter, will throw out the ceremonial first pitch prior to Friday's game.
In addition, the Astros on Friday will be giving out replica Colt .45s jerseys with the revolver on the front. The team gave away replica Colt .45s jerseys in April without the revolver, but owner Jim Crane added the giveaway for Friday with the revolver in response from fans.