Photo by Jason Kopinski/Icon Sportswire via Getty Images The tallest defender in NHL history calls it a career The Bruins of today stand in the shadow of giants. In this particular case, one such giant who had led them for nearly a decade. The erstwhile captain who defended his goaltenders and his teammates with his enormous frame and freakish strength. Today, that player came back to Boston to sign a contract for a single day. So that he could announce one of the better and longer careers of the modern era was coming to an end. View this post on Instagram A post shared by Zdeno Chara (@zeechara33) Saying Chara’s acquisition in 2006 changed the Bruins forever is honestly, probably underselling it. There’s a good chance that none of the…