Vijay Singh has gained the overall lead at the 2012 Barclays championship after shooting a 4-under par on the second day to improve his overall score to 7-under. Singh recorded four birdies on the day, including three on the back-nine, which tied him with Padraig Harrington for the top spot.
Harrington has since begun his second round and has dropped to 6-under par after recording a bogey on his first hole handing sole possession of first place to Singh.
In addition, Boston native James Driscoll has pulled to even par after recording three birdies in his second round and currently sits at 2-under for the day with four holes remaining in the round. Driscoll came into the day at 2-over after registering four bogeys in the first round.
For a complete scoreboard of the 2012 Barclays, visit Golf.com's scoreboard.