SUNRISE, Fla. (CBS4) – The Florida Panthers were hoping to build off some recent improving play when they took the ice against the Ottawa Senators Thursday night. Instead, the Panthers lost another close game, 2-1.

Defenseman Erik Karlsson scored twice in the last 8:48 to help lead the Senators beat the Panthers.

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Former Florida backup Craig Anderson stopped 33 shots and came within 4:13 of his second shutout since being acquired in a trade from Colorado on Feb. 18. Anderson, who has started every game since going to Ottawa, has allowed one goal or fewer in seven of his nine starts.

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He outdueled his former goalie partner in Florida, Tomas Vokoun, who stopped 37 shots.

Defenseman Clay Wilson scored for Florida.

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