Why the Blackhawks have such a wide range of possibilities this season

Why the Blackhawks have such a wide range of possibilities this season

At this stage of their careers, Blackhawks veterans like Tyler Bertuzzi, Teuvo Teravainen and Connor Murphy pretty much are what they are.It's not impossible to substantially improve in one's late 20s or early 30s — as Ryan Donato demonstrated last season, thanks to his skating technique overhaul — but it's very rare.Even accounting for some inevitable year-to-year variation in luck and playing time, the range of possible outcomes for a player l…