106.8 - Washington's Special Teams Index (the sum of power-play and penalty-kill efficiencies), second only to Detroit (106.9). The Caps have the League's second-best power play (25.0%) and the 12th-ranked penalty kill (81.8%).
For more on this topic, check out this post by Travis Yost from earlier in the week.
Oh, and on a somewhat related note, Alex Ovechkin (21 power-play goals) has more extra-man tallies this season than the Buffalo Sabres (20). Yikes.