OTTAWA, Ontario -- Craig Anderson had 46 saves and Clarke MacArthur had a goal and two assists and the Ottawa Senators beat the Blackhawks 5-3 on Friday night.
It was Anderson's first game back since being injured March 10.
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Erik Condra, Cody Ceci, Milan Michalek and Kyle Turris also scored for the Senators.
Patrick Sharp, Marian Hossa and Brent Seabrook scored for Chicago. Antti Raanta made 24 saves.
Ottawa scored twice in the third and killed off a 34 second two-man advantage to hold off the Blackhawks.
Turris made it 4-2 with a power-play goal at the six-minute mark of the third and MacArthur scored his 23rd of the season midway through the period to make it 5-2.
The Blackhawks made it 5-3 with a short-handed goal at the 17-minute mark as Seabrook's shot from the point just trickled across the goal line.
Ottawa jumped out to a 3-0 lead, but by the end of the second it was a one-goal game. The Senators were outshot 23-5 in the middle period.
Chicago got on the board midway through the second with a power-play goal as Sharp took a great pass from Jonathan Toews and tipped it past Anderson.
Sharp set a career high with the goal, picking up his 72nd point of the season. It also marked the Blackhawks first power-play goal on the road in eight games.
Hossa made it 3-2 as he scored with 41 seconds remaining in the second period. Hossa intercepted a pass at the Ottawa blue line, got past through two defensemen and squeezed the puck past Anderson.
Ottawa had made it 3-0 just 23 seconds into the second as Michalek tipped in a shot off a pass from Spezza.
The Senators a 2-0 lead after the first 20 minutes.
Condra made it 1-0 scoring short-handed midway through the first and Ceci made it 2-0 in the final minute of the period as he scored from just inside the blue line.