Nathan MacKinnon’s childhood idol and role model has turned into a training partner and an offseason neighbor back home in the Halifax area of their native Nova Scotia. One of his closest friends, too.

While many have downplayed the idea of a trade involving Pittsburgh Penguins captain Sidney Crosby, the truth is that the franchise could do well kick-starting a full rebuild by moving its star players.

Nathan MacKinnon outdueled his good buddy Sidney Crosby as the Colorado Avalanche beat the struggling Penguins, 4-1, Tuesday at Ball Arena.

United States goalie Connor Hellebuyck, left, gives up a goal to Canada's Nathan MacKinnon, as Canada's Sidney Crosby (87) looks on, during the first period of the 4 Nations Face-Off

The 4 Nations Face-Off captivated not only the hockey world, but the entirety of the sports universe. As everyone watched Team Canada come out on top, three Avalanche players- Nathan MacKinnon, Cale Makar and Devon Toews- helped the hockey dynasty defend its spot at the top of international competition.

Casey Mittelstadt scored the go-ahead goal on a power play with 4:09 remaining, and the Colorado Avalanche beat the Pittsburgh Penguins 4-1.