This is so true. I don't use the word "wonderful" that often but what he has done for their development in such a short amount of time has been straight-up wonderful.
Again, a very small sample size. But for what it's worth.
Huberdeau
PPG pre Jagr: 0.569
PPG since Jagr: 1.067
Barkov
PPG pre Jagr: 0.42
PPG since Jagr: 0.667
Jagr
PPG /w NJD: 0.509
PPG /w FLA: 0.857