87 – Number of regular season games since 2004-05 in which the Capitals and their opponents each scored at least four goals (including Washington’s last two games), most in the NHL. The Caps also have been involved with the most of these games since the start of the 2006-07, 2007-08, 2008-09, 2009-10, 2012-13 and 2013-14 seasons.
H/t Adam Vingan on this nugget