Moving swiftly to give Alex Ovechkin help at the defensive end while raiding a rival, new Washington Capitals general manager Brian MacLellan signed Pittsburgh Penguins free agents Matt Niskanen and Brooks Orpik on Tuesday to deals totaling more than $65 million. ''We needed to shore up our defense, give us some depth, give us some leadership, give us some experience,'' MacLellan said. ''And I think we've accomplished that today.'' The 27-year-old Niskanen, the more offensive-minded of the pair of defensemen joining the Capitals, got a $40.25 million, seven-year contract, which he called ''a very big commitment ... for a very substantial amount of money.'' The 33-year-old Orpik, more of a stay-at-home blueliner who had spent his entire career with the Penguins, was given a $27.5 million, five-year package. ''I've got to be honest: Up until this year, I never really envisioned myself leaving Pittsburgh. More...