Clinton Jensen, the first alternate from sectional qualifying in Florida, will serve as the replacement for Immelman. David Erdy, 19, from the Deer Lick, Ind., qualifier, will replace Katayama in the field.
Katayama and Immelman are the second and third players in the top 50 world rankings to withdraw from competition; Robert Karlsson of Sweden had to pull out last week because of an eye infection. Karlsson, currently ranked 14th in the world, finished tied for fourth place in last year's U.S. Open at Torrey Pines.
Nagy's amazing journey
After a circuitous and miraculous route to the U.S. Open, Matt Nagy of Buena Vista, Ga., practiced at Bethpage Black Monday.
Nagy, who just finished his sophomore season at Kennesaw State in Georgia, nabbed the second alternate spot during a nighttime playoff in his local qualifier and set a course record during his second round at Hawks Ridge to earn a spot at the Open after Brian Harman was a no-show for the sectional qualifier.
"Amazing," Nagy said of his journey to the Open. "That's probably the best way to describe it."
From NCAA title to Bethpage
Bronson Burgoon, who led Texas A & M to its first NCAA title in men's golf with a spectacular wedge shot that helped clinch the championship last month, found an experience to rival that memorable day while playing a practice round Monday.
"The feeling, it was incredible," Burgoon said. "I had a grin on my face. I've been smiling since I arrived here in New York. It's been an unbelievable experience."
Back-to-back at Pinehurst
The USGA announced that the 2014 U.S. Open and U.S. Women's Open will be played on consecutive weeks at the No. 2 course at Pinehurst Resort & Country Club in Pinehurst, N.C. The U.S. Open will be played June 12-15 and the Women's Open will be played June 19-22.