Erik Karlsson is on the trade market, but the dynamic Ottawa defenseman won’t be coming to Manhattan, The Athletic has learned.



According to people familiar with the Rangers’ thinking, a trade for Karlsson would go against their rebuild in that they would not be willing to give up the top prospects it would take to get him, they would not be willing to take on Bobby Ryan, whose cap-hit the Senators desperately want to dump as part of a deal, and they would not be willing to extend Karlsson to a Drew Doughty-type of contract (he just re-signed with Los Angeles for eight years at $11 million per). Karlsson is signed through the coming season ($6.5 million) and an extension would not kick in until he’s 29, in 2019-20.



Ryan, 31, carries a $7.25 million annual cap hit for each of the next four seasons.



Not even part of the consideration is that Karlsson is coming off complicated ankle surgery in the summer of 2017, followed by a year in which he...