He knows Sullivan. He knows the star players who have thrived under Sullivan, namely Sidney Crosby, Evgeni Malkin and Kris Letang with the Penguins. He knows what the Rangers didn't do last season. He knows what Sullivan will bring to them.

Matt Cullen: "He was super direct, and it didn’t matter if you were Sid or a guy on the fourth line, the expectations were super clear."

There's a long list of problems the Blueshirts' latest bench boss will have to solve, but it starts with these.