hmm...
I think in the short term he'll possibly bring something to the table it's something new and will keep the existing players on their feet you would hope.
Must admit i don't know too much about the guy, but if what is being reported is true, the one thing i would say that is a bit of a worry is that he doesn't have the top level experience, and Brendan definitely needs that, and it's a manager with a similar philosophy to him.... nothing that would "challenge" Brendan, just someone else who would set up the team like he would...