We'll just have to take your word for it
We have 40M in 4 forwards, yet it's not opposing PK facing the toughest assignments? Nope it's Mitch Marner.
Of course facing our top unit is a tough assignment for opposing PKs.
Similarly, Marner faces the top units of other teams, and is put out there in our most difficult situations.
You don't have to take my word for it. It's not only really easy to see who is sent out there and when, when you watch the games, but also pretty easily verifiable.
And his defensive results are elite. In fact, his closest comparable in defensive results on the PK over the past 3 seasons is probably Patrice Bergeron.
6.52 vs. 6.51 xGA/60. Which ranks near the top of the league.