Exactly. The Sox have to face facts: Wakefield has given his heart and soul to the team, and I love the guy, but there's going to come a day, and soon, where he isn't going to be viable as a major league pitcher. Some people will say that it has already come, and that's arguable, but at the moment he can still pitch and keep the Sox in games.
However, he can't play forever, and when he's gone the Sox will have lost a durable fifth or spot starter and will need to have a more concrete option to fill the slot. They can't win the division every year with AAA guys being called up to fill an empty spot three times a month.