Balester and Clippard will probably be up real soon. McCatty has done a great job with those guys. Martis , J Zimm, Detwiler will need to work with McCatty soon. All 3 could have over 6 era's pretty quickly if things don't change.
Should McCatty be the pitching coach for the Nationals? Who knows. However I think it would be wise to bring McCatty up for a month to work with all the pitchers.
Remember last year about the hitting coach situation?