While Ryder Cup USA points were gained sparingly at the John Deere Classic over the weekend, there weren't enough picked up by any one player to alter the top 12 in the standings.

In fact, the top 20 remained the same from a week ago, with only John Deere winner Ryan Moore finally bucking the trend, moving up from No. 25 to No. 23 thanks to his fifth career PGA Tour victory.

Among the current top 20, Zach Johnson (No. 6) was the highest finisher at the John Deere Classic with a T34.

This week's Wyndham Championship in Greensboro, N.C., is the last full-field event of the 2015-16 season before the start of the PGA Tour Playoffs for the FedExCup gets under way next week with the Barclays at Bethpage Black in New York.

Since the 2016 Ryder Cup at Hazeltine in Chaska, Minn., is being played in an Olympic year (with golf included in the Games for the first time since 1904), there have been some adjustments made to the qualifying calendar for Ryder Cup USA.

Here are the key qualifying dates:

- Sunday, Aug. 28, 2016: The top eight will be finalized at the conclusion of The Barclays, which is scheduled to finish on this date, as opposed to the traditional closing of points at the conclusion of the PGA Championship, which was played in July instead of August in 2016 due to the Olympics. It also affords players an additional two weeks from past years to earn a spot on points.

- Sunday, Sept. 11, 2016: Love will select three of his four Captain's Picks at the conclusion of the BMW Championship, scheduled to end on this day.

- Sunday, Sept. 25, 2016: Love will make his fourth and final Captain's Pick at the conclusion of the Tour Championship, scheduled to end on this day.

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