Rooney may end up battling with the Frenchman for the right to play as the lone striker under Van Gaal .
The United captain has no doubt about the benefits Rooney 's fellow striker has brought to Old Trafford .
Rooney may end up battling with the Frenchman for the right to play as the lone striker under Van Gaal , but the United captain has no doubt about the benefits his fellow striker has brought to Old Trafford .