Carolina Hurricanes center Jordan Staal grimaces as he lays on the ice during the third period of an NHL hockey preseason game against the Buffalo Sabres, Tuesday, Sept. 23, 2014, in Buffalo, N.Y. Staal was walking on crutches and will require further tests to determine the severity of a right leg injury sustained. (AP Photo/Gary Wiepert)
Carolina Hurricanes center Jordan Staal grimaces as he lays on the ice during the third period of an NHL hockey preseason game against the Buffalo Sabres, Tuesday, Sept. 23, 2014, in Buffalo, N.Y. Staal was walking on crutches and will require further tests to determine the severity of a right leg injury sustained. (AP Photo/Gary Wiepert) AP
Carolina Hurricanes center Jordan Staal grimaces as he lays on the ice during the third period of an NHL hockey preseason game against the Buffalo Sabres, Tuesday, Sept. 23, 2014, in Buffalo, N.Y. Staal was walking on crutches and will require further tests to determine the severity of a right leg injury sustained. (AP Photo/Gary Wiepert) AP