Amateur Leading British Open

This hasn't happened since 1927.
From ESPN: Paul Dunne strode along the 18th fairway Sunday afternoon, soaking in the cheers, waving to the crowd, acting like the Old Course was his own personal playground.
And for a day, at least, it was.
His 66 tied him atop The Open leaderboard, in some heady company, with a different kind of history within his grasp. No amateur has won The Open since Bobby Jones in 1930. No amateur has led The Open through 54 holes since Jones in 1927.   http://espn.go.com/golf/theopen15/story/_/id/13277336/amateur-dunne-inches-closer-own-open-history
If you are a bettor, he is going off as a 20-1 shot to win tomorrow.  At the beginning of the tournament, he was a 1500-1 shot to win.