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

Ottawa Senators defensemen Marc Methot (3) and Chris Phillips (4) celebrate Phillips' goal during the first period of an NHL hockey game against the Florida Panthers, Thursday, Jan. 24, 2013, in Sunrise, Fla. (AP Photo/Wilfredo Lee)

Ottawa Senators defensemen Marc Methot (3) and Chris Phillips (4) celebrate Phillips' goal during the first period of an NHL hockey game against the Florida Panthers, Thursday, Jan. 24, 2013, in Sunrise, Fla. (AP Photo/Wilfredo Lee)