User blog comment:General MGD 109/How Strong Are Ghosts?/@comment-3481504-20120710193327/@comment-1509826-20120710205217

Well, he didn't do it that easily as they managed to stop him causing the car to crash, but I get your point, I agree they don't often physically engage, it just struck me odd that a ghost could fight anything that strong, and yet Sam and Dean have survived being attacked by one.