When Capitals’ captain Alex Ovechkin scored a goal in the third period of Saturday’s game against the New Jersey Devils, the 700th goal of his storied career, the Capitals’ bench emptied as every player in a white jersey tumbled over the boards. In the event that Alex Ovechkin scored his 500th goal Sunday night at Verizon Center, MacLellan wondered, could the Capitals empty their bench in celebration without penalty? The Capitals’ giant group hug, with their record-breaking captain in the middle of it, is one small, lovely way to recognize the place Ovi has in the NHL’s record books, and the place he has among the teammates that helped get him there.