The Boston Bruins were without star defenseman Zdeno Chara against the St. Louis Blues yesterday, as the Bruins captain went to Sochi to represent his country, Slovakia, in the Winter Olympics’ opening flag ceremony. After a furious comeback in the second period, the B’s fell short in overtime, losing 3-2 to the Blues. T.J. Oshie‘s game-winner trickled past Tuukka Rask on a feeble wrap-around attempt. Would Chara have helped capture a triumph for the B’s? Most certainly. Here are the top 3 reasons why “Z” is essential to the Bruins’ winning ways.