Christian Emmerich and Owen Egan can lay claim to one of the most improbable feats in golf. And if there weren’t picture evidence, most folks probably wouldn’t believe their claim. The duo, Emmerich a senior and Egan a sophomore, play on the Holy Cross men’s golf team, and they were playing a qualifying round Sunday ahead of the team’s season-opening event at the Ryan T. Lee Memorial Collegiate in Kensington, Connecticut. They stepped to the tee of the par-5 eighth hole at Blackstone National Golf Club in Sutton, Massachusetts, not knowing what was about to come. It measured 494 yards…