No and no. But I also disagree with the gist of your argument. If Jack signs for $9M, even with a relatively flat cap increase of $1M for 2018-19, he'd only be at 11.8% of the cap. One of your favorite comparisons, Tarasenko, was at 10.3% of the cap. So Jack would be more, but not insanely so. Crosby was at 14.5%, Malkin at 14.8%, Ovechkin at 16.8%. How about this one: Phil Kessel at 12.4%.
I'm hoping to get Jack at $8M or so, that would be 10.5% of a $76M cap. Arguably below his current value, to say nothing of future value.