By Frank Pingue OAKMONT, Pennsylvania (Reuters) -Overnight U.S. Open leader J.J. Spaun shook off his first bogey of the week to reach the midway mark of his second round level with Thriston Lawrence at Oakmont Country Club where Rory McIlroy was flirting with the projected cut line.

Oakmont lived up to its reputation with a scoring average of about 74.6 despite a course still relatively soft from rain and moderate wind that didn’t stick around for long.

Spaun went out in a record 31 and posted just the eighth bogey-free round in U.S. Open history at Oakmont to take the early lead on Thursday.