It's not a stretch to say that Australian Jason Day is one of the most decorated players in this year's American Express field. At 37 years old, Day is a former World No. 1, he has 13 PGA Tour ...

After trading texts and phone calls the last few months, Day and Swatton got down to the high-tech work in a lab working his swing and putting and the results have been immediate.

As much heat as Day generates with his driver, it is his wedge control that stands out as a particular strength. And you don't have to swing 120 miles per hour to incorporate some of what Day does ...

POTOMAC, Md. (AP)Three years and 364 days since his last victory, Jason Day describes himself as ”obsessed” with honing his new swing and improving his results, even if he never gets ba… ...

After posting a second-round 71, Jason Day revealed how difficult his swing changes have been, even when things appear to be going well.

Three years and 364 days since his last victory, Jason Day describes himself as “obsessed” with honing his new swing and improving his results, even if he never gets back to No. 1 in th… ...