In the midst of a playoff run to the Stanley Cup, the St. Louis Blues social media team is elevating the sportsmanship of its own fanbase through the time-honored traditional of a public Twitter smackdown. Last night, as the Nashville Predators’ otherworldly defenseman P.K. Subban was carving up the Blues on the way to a 4-3 victory, a Blues fan named Ryan Dix, tweeting under the handle @LordDixick, took a jab at Subban's race.
And the Blues Twitter account slapped him right back.…