23 – Number of days remaining until the start of the Washington Capitals’ 50th season. But it’s also… …the number of seasons out of those 50 in which the Capitals have averaged fewer than three goals-against per game. Their best mark over that span was back in 2016-17, when they gave up an impressive 2.16 goals/game – which also happened to be the fewest of that season, and is the second…