Basing it on the fact we had two managers in League 1 last season, neither of them rated McDonald good enough to command a starting place in a team that let in over 70 league goals.
He looked ok in League 2, but still struggled to be a first choice centre back.
So that suggests he might just be good enough for League 2 rather than league 1.
I was just about to say the same thing - there's got to be more to this than meets the eye, one manager was an international captain at centre back and the other was a premiership left back and obviously neither of them rated him enough to use him much.