Not Blue Jays related but here's a good article (as usual) from Birnbaum, this on the breakdown of how much of BABIP is luck versus pitcher:
http://blog.philbirnbaum.com/2015/05/pitchers-influence-babip-more-than.html
It's actually just proving an article from years ago in a different method but Birnbaum's explanations are fantastic in general. Very good writer.