Tiger Woods has moved into a two-shot lead after the second round of the WGC Cadillac Championship in Florida.
The American hit eight birdies and one bogey on the Blue Monster course to give him a score of 13-under-par.
Northern Ireland's Graeme McDowell is behind Woods on 11-under, while American duo Phil Mickelson and Steve Stricker are a shot further back.
Ian Poulter is one of 11 players who ended the day with a score of six-under and defending champion Justin Rose is on four-under.
World number one Rory McIlroy made up some ground on day two as he followed his opening round of 73 with a 67 to put him on two-under.