Trade Grades: Sharks earn A- for Erik Karlsson heist

The Sharks acquired all-world defenseman Erik Karlsson, with an underwhelming package going back to the Senators. Andre Ringuette/NHLI via Getty Images

The deal:

Sharks get: D Erik Karlsson, LW Francis Perron

Senators get: C Chris Tierney, D Dylan DeMelo, LW Rudolfs Balcers, C Josh Norris, conditional 2019 second-round pick, conditional 2019/2020 first-round pick, conditional 2021 second-round pick

San Jose Sharks: A-