Crosby, Malkin and Letang won championships together in 2009, 2016 and 2017. That last one came at Karlsson’s expense, defeating his Ottawa Senators 3-2 with Chris Kunitz scoring in the second overtime of Game 7 of the Eastern Conference Final on May 25, 2017.

Dumoulin is in the final year of his two-year $6.3 million deal with the Ducks. The veteran defenseman can be a second or third-pairing for Toronto and add some more depth to the blue line. Dumoulin won back-to-back Stanley Cups with the Pittsburgh Penguins in 2016 and 2017.

It is NHL trade rumor season. It’s a time of year when some of the biggest names in the league are rumored to be on the move, speculation abounds, and players are the unwitting subjects of conversations well beyond their control.