The Ottawa Senators have concussion problems.

Forward Clarke MacArthur and defenseman Marc Methot are out with head injuries, general manager Bryan Murray confirmed Tuesday.

"We are going to take our time with (MacArthur)," Murray said. The winger's pointless through four games.

Methot was originally thought to be suffering from the flu, but his condition worsened. He's not expected to miss too much time, however. The blue-liner, who has a goal in five games, skated Tuesday and is expected to practice Wednesday, according to TSN's Brent Wallace.