"Former Managing General Partner Jerry Colangelo, former executives Rich Dozer and Joe Garagiola, Jr., former manager Bob Brenly, Glen Sherlock and former coach Bob Welch as well as 32 players from the D-backs' 2001 World Series team are scheduled to return for World Championship Reunion Weekend." Pretty much anyone who was anyone - and, as AZDBACKR pointed out, Ken Huckaby. The link has the full list.