David Robertson plans to be ready for Opening Day as long as he has no setbacks relating to his injured right foot. The Yankees right-hander suffered the injury last week while falling down stairs at his home in the process of carrying empty boxes. A number of tests revealed a bone bruise. The walking boot has been removed and the reliever has begun playing catch. "It feels much better, I don't have the soreness in the bottom of the foot walking around," Robertson said on Monday.