Once a Kings Fan Too
Joined: Jun. 2018
Posts: 39,664
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You're undervaluing Tyler Bertuzzi and overvaluing one year of Morgan Rielly.
As you yourself point out, Bertuzzi is a first-line power forward, which is why you're acquiring him and where you're playing him. Such players are far more valuable than all but the best of prospects, no matter how bright. Robertson is a very, very good prospect and the 2022 first is a good framework with him, but that's only a start. Steve Yzerman isn't going to trade Bertuzzi unless he gets a top-10 pick or significant compensating additions. Dermott is expansion-draft fodder and Der-Arguchintsov is, as noted above, a B prospect. That just doesn't cut it.
One cn argue tht with his injury history from last year, Toronto might be hesitant to make this trade, but that's an entirely different issue unrelated to his trade value. If Toronto decided he was healthy enough to acquire, it would take a lot more than this.