“To be honest with you, on the first one it looked like the running back was kind of going downhill and when Brandon went for the tackle it looked to me like it was perfect. And then all of a sudden when [Lacy] ducked his head, I couldn’t tell -- I didn't see the TV copy, I just saw the video -- and that’s exactly where the contact was,” Shanahan said. “The second one on the sidelines, that’s what you’re supposed to do. That’s a legal hit.”