Robert MacIntyre holds a 4-shot lead at the BMW Championship, holding his nerve despite some chirping from the Maryland crowd.

After a great performance at the FedEx St. Jude last week, in which he finished second after a thrilling playoff, J.J. Spaun is in the top 15 at the BMW Championship, fighting back from a double and a bogey on his first three holes on Friday to get back to even for the tournament with three straight birdies.

Course details for Caves Valley Golf Club, which hosts the BMW Championship on the PGA Tour. Key stats, weather forecast and more