Sooo just to clarify something I previously said and in the interests of not being lumped in with the not willing or able to back up my opinions lot.....
The reason I predicted - ironically given what you've just said it was in a pub - that Evans would leave this summer are as follows....
Every time DC was asked about him in interviews he referred to him as being a different sort of character and a bit introverted. I interpreted that as him not necessarily fitting the rest of the group personaity wise and said I thought he would leave. So I think that has happened because of personality rather than performance. Which might also explain why he wasn't used much last season.