Jason Dufner holed a stunning 25-foot birdie putt on the 18th hole at the Byron Nelson Championship on Sunday in Irving, Texas to win for the second time in just four weeks.

Despite the windy conditions, America's Jason Dufner shot a one-under 69 on Saturday to maintain a one-stroke lead heading into the final round of the Byron Nelson Championship in Irving, Texas.

America's Jason Dufner takes the lead at the halfway stage in Texas after shooting a second round 66 to head the field by one stroke.

In a bid to take the title he lost to Keegan Bradley last year, Ryan Palmer has set the early pace in Texas with a fantastic six under 64.

We have seen many champions don the famous green jacket over the years, some more than once. With a new champion likely to be unveiled in just a few days, Leaderboard takes a look at ten of the greatest Masters players of all time.