How a Doughty-Karlsson joint free agency in 2019 would alter the NHL

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBGf01T.img?h=100&w=100&m=6&q=60&o=f&l=f&x=611&y=247Drew Doughty and Erik Karlsson made it known they don't intend to hand out hometown discounts while their epic 2019 joint free agency looms. So how much are they worth?

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