Kessel has a shelf life with every team and his expired last year. Malkin has to change his style as well but clearly Phil just didn't play with the same intensity of his first couple of years.
This. Some players are like coaches and they wear out their welcome.
Boston, Toronto, Pittsburgh. Same story everywhere. Had feuds with Julien, Wilson, and now Sullivan. I think it's hard to get a guy like Kessel to buy into a system. So when he's not doing his part, and his teammates and coaches get on him, he'll hide behind his stats, hence Malkin bringing up him caring more about points.
Arizona is the perfect place for someone like him. No pressure, and nothing to live up to.
There's a stark difference between a guy like Tavares and a guy like Kessel.