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Tiger is on the up under Foley

Tiger Woods insists that he is making progress under new coach Sean Foley.

"I'm light years ahead of where I was at the end of last summer," said the former world number one, who returns to action in Miami this week a fortnight after being knocked out in the first round of the WGC-Accenture Match Play Championship by Dane Thomas Bjorn.

Woods, now down to fifth, has not won for 16 months and has not had a top-10 finish in three starts so far this season.

"It's hard to implement these changes. I just have to keep moving forward," he added.

"The biggest thing is understanding what shot to hit and how to adjust my ball flight. Thanks to Sean Foley, I have a much deeper understanding of how to do this than ever before."