Andres Romero of Argentina shot his second straight 7-under 65 on Friday to take a one-stroke lead in the PGA Tour's Puerto Rico Open.
Romero, who won the PGA Tour's 2008 New Orleans event and the European Tour's 2007 Deutsche Bank tournament, had a double bogey on the par-3 eighth hole, but then birdied six of the last 10 holes on the Trump International course.
Scott Brown was second after a 63. He eagled the par-4 seventh and had eight birdies and a bogey.
Peter Uihlein and Steve LeBrun shot 65 to reach 12 under. Argentina's Fabian Gomez was 11 under after a 64, and defending champion George McNeill also had a 64 to join the group at 9 under.