Duhaime’s line with center Nic Dowd and Andrew Mangiapane on the right wing is listed on the Washington Capitals’ lineup card in the fourth spot, but they don’t consider it the fourth line.

Andrew Mangiapane had a great chance in the ... to the Senators’ lineup for the first time since Dec. 21. Capitals: NHL-leading Washington started slowly but began generating more chances ...

Logan Thompson made 24 saves for Washington ... generated many chances in regulation. Andrew Mangiapane had a great chance in the third period on the Capitals’ lone power play but couldn ...