Honda Classic: Scotland’s Russell Knox on 4 under

Russell Knox: Four under, and trailing Paul Casey and Ian Poulter by three shots. Picture: Getty

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SCOTLAND’S Russell Knox trails English pair Paul Casey and Ian Poulter by three shots when the Honda Classic resumes today.

Bad weather has forced the final round to spill over into an extra day, with Casey and Poulter out in front on seven under par after nine and seven holes respectively.

American Patrick Reed is one shot back after seven holes, Knox is among a cluster of players on four under, while Saturday’s overnight leader Padraig Harrington still has a chance despite dropping back.

It was Poulter who surged into the outright lead after 54 holes - the first time he has ever done so on the PGA Tour - by three shots.

The 39-year-old Ryder Cup star - who won the last of his two PGA Tour titles in 2012, with his first coming five years ago when he beat Casey to the WGC-Accenture Match Play Championship - recorded four birdies in a third-round 66.

But having made just one bogey in his last 40 holes, Poulter dropped back at the fifth hole of his final round as a shanked tee shot into the water led to a double bogey five.

He was then in the drink again on his next hole for a bogey yet he recovered on the seventh by driving his tee shot to within three feet for birdie and move level with Casey, who was in blistering form in his final round.

The 37-year-old, whose only PGA Tour triumph was at the Shell Houston Open in 2009, was six shots adrift of his countryman after a third-round 68, but propelled himself into contention with birdies at three of his first four holes in the late afternoon.

He then ended his day with a good approach to six feet before rolling in for yet another birdie as darkness approached at Palm Beach.

Poulter and Casey’s team-mate at the 2004 and 2008 Ryder Cups, Harrington, dropped back to three under after a forgettable day.

A third-round 71 did not ruin his chances but he is currently three over after seven holes.

With nine holes of his final round to play, Stephen Gallacher is four-over for the tournament.