26. Chris Ford - he did win 200+ wins as a coach and a bunch more as an assistant coach
27. Ray Allen - there is no number 17 without him
I'm shocked that anybody would have Ford over Ray Allen. Chris Ford played four mediocre-to-poor years here, and was a mediocre coach with a losing career playoff record. Ray has twice been an all-star, and was a key player on a championship winner.
As for Bailey Howell, I think he's more an integral part of Celtics history than a guy like Don Chaney is. He only played four years here, but three of them were very good, and he won two championships.
[Antoine] was the epitome of all things non Celtic during the height of the Celtic demise into David Stern style play and away from Celtic team basketball style of play.
I think that's overly harsh; I think if Antoine had gotten some good coaching early in his career, he would have been a less flawed player. However, I think he always respected the uniform and demonstrated legitimate "Celtics pride". He fell this far because of his lack of championships, I think, but he and Pierce almost single-handedly turned the Celts into an Eastern Conference contender.