He's the Celtics assistant GM, considered one of the best if not the best statistical analysts, and i'm sure Lacob knows about him. I like Riley but he might be in over his head as GM, maybe a step down to assistant GM would be for the better. http://freakonomics.blogs.nytimes.com/tag/mike-zarren/ http://espn.go.com/blog/truehoop/post/_/id/4811/freakonomics-on-celtics-stat-whiz-mike-zarren http://www.vermontlaw.edu/students/x8291.xml