After doing a little research, I found two other former Cardinals who wore #5 that have a certified auto. Ron Gant has a autographed card in 2014 Topps High Tek, but I have not bought a copy yet.
1996 Leaf Signature Extended Danny Sheaffer
Sheaffer was the backup catcher for the Cardinals from 1995-1997. He only wore #5 during the 1995 season. I love the 1996 Leaf set because of all the obscure players that signed cards for it. Were else would you find autographs of famous Cardinal middle relievers such as Tony Fossas, Tom Urbani, and Mike Busby.