Islanders should resist urge to trade for Erik KarlssonThe Senators have made it known Karlsson is available7/3/2018, 6:40 PMMar 8, 2018; Ottawa, Ontario, CAN; Ottawa Senators defenseman Erik Karlsson (65) skates with the puck in the third period against the Buffalo Sabres at Canadian Tire Centre. Mandatory Credit: Marc DesRosiers-USA TODAY / Marc DesRosiers