By Andrew Holleran Is Cameron Smith about to pull off a big comeback at The Masters on Sunday? Smith trailed Masters leader Scottie Scheffler by three strokes heading into the final round on Sunday afternoon. However, Smith has already made up some ground. There is now just one stroke separating Scheffler and Smith as the action heads up on Sunday afternoon at Augusta National in Georgia. Smith is hoping to pull off the comeback and celebrate his first Masters win on the 18th green later on Sunday evening. If he does, he’ll likely be celebrating with his rumored girlfriend, Shanel Naoum, accor…