Puck possesssion fancystats leading NHL teams to change their playing styles

“But hockey’s version of the sabermetrics movement has shown the dump-and-chase maxim to be the natural analogue to baseball’s devotion to the sacrifice bunt — a needless waste of the game’s most precious commodity (possessions in hockey; outs in baseball) for a small benefit. More than ever before, winning in today’s NHL means holding on to the puck.”