I have a plant in my front yard that was planted by the previous owner that appears to be a wild rose to me. It has become unrully and invasive. I was trying to figure out how to get the plant back under control and keep it but I have been tempted to remove it if I cannot get it back in control. I also found a plant stake that called it a butterfly bush (black knight) but the leaves look like a rose.

I suspect that the Black Knight Butterfly Bush no longer exists and a wild rose has taken over that space. Unless the rose has a lot of redeeming qualities, consider removing it and planting a more ornamental plant. Wild roses typically are very thorny and sprout up new shoots near the base, over time creating the "Rose Patch" we hear about. If you are going to prune it, remove all the dead, decaying canes, thin the remaining canes down to just several. You will need to continually remove the spouts as they appear near the base and into the surrounding area during the summer. Each year you will need to leave a few new ones, as the older ones will need to be pruned away. This way you can maintain thesize of the plant.