Article Photos: Karlsson, Senators beat Panthers 3-1 to open 3-0 3/5

Florida Panthers right wing Scottie Upshall (19) battles for the puck with Ottawa Senators left wing Milan Michalek (9), of the Czech Republic, during the first period of an NHL hockey game, Thursday, Jan. 24, 2013, in Sunrise, Fla. (AP Photo/Wilfredo Lee)