The Bruins and Washington Capitals open their best-of-seven first-round playoff series Thursday night at TD Garden. If you’re a loyal Bruins fan, you might want to get down to the Garden or to D.C. to take in a game. Check out the graphic below to get an idea of what average ticket prices are right now. And you’d like to buy tickets and support, click on this link to shop the ticket prices and make your purchase.