Counting down the days to the 2015-16 season with a look at some unprecedented health on the blueline
4 - Number of days remaining until the 2015-16 season. But it's also...
...the number of man-games lost by the Caps' top-four defensemen last season. All four of those can be attributed to Brooks Orpik, who missed time in the middle of March with a lower-body injury. Karl Alzner, Matt Niskanen and John Carlson all played 82 games, the fifth-straight season in which Carlson and Alzner have appeared in every game and Niskanen's first full campaign.