Either of those two bigger bucks could of made the rub or it could even be a combination. This year while on stand I saw a 1.5 year old 4 pointer try to rub a tree that was about 10" in diameter. He hit it for around a minute or a little less but was rubbing the far side of the tree so i decided to go look at the tree later that day. There was barely a mark on the tree from him and he was trying to do some damage to the tree. About a week later I watched a small antlered 3.5 year old buck tear the same tree up. They went at the tree with the same approach and hit it for the same amount of time but due to the stronger neck and body of the 3.5 he did a lot more damage to the tree