Dustin Johnson
PGA Tour/YouTube
Dustin Johnson sets up for his chip shot on No. 3 Sunday at TPC Four Seasons.

Greens in regulation? Over-rated.

That is, if you have Dustin Johnson's short game skills.

Check out this "routine birdie" on the par-4 No. 3 in Sunday's final round of the AT&T Byron Nelson:



When Steven Bowditch missed his par putt, the two-shot swing created a two-way tie at the top of the leaderboard between Johnson and Bowditch.

Unfortunately, it all came apart for D.J. three holes later:



The quadruple bogey 8 knocked Johnson well down the standings.

D.J.'s day goes from great to terrible
May 31, 2015 - 8:36am
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Zac Efron
Zac Efron/Twitter
Zac Efron nearly pulled off the famous Tiger Woods golf ball juggling trick.

Actor/singer Zac Efron obviously has some free time on his hands, as evidenced by a video he posted to his Twitter feed over the weekend. Watch as he shows off his golf ball juggling skills, ala Tiger Woods:



Not bad, although he missed the show-stopping finale, where Tiger hits the ball straight down the fairway. Still, a pretty good effort.

Efron, known for his starring role in the Disney Channel's High School Musical, is known to carry his clubs around -- just in case he gets a break from shooting.

How much does Efron love golf? According to a 2013 story written by Golf Digest, Efron spent his 26th birthday at the Callaway Golf Center in Carlsbad, Calif. Here's video proof:




Zac Efron channels his inner Tiger
May 31, 2015 - 8:15am
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Danica Patrick
Danica Patrick/Twitter
Danica Patrick watches her putt roll toward the hole in a recent charity outing.

Well-known race car driver Danica Patrick admits she's not ready for the LPGA Tour, but after making a long putt in a recent charity event, she definitely knows how to take a victory lap.




What's really funny is that she made her trip around the practice green counter-clockwise. Once an oval driver, always an oval driver.

Boyfriend Ricky Stenhouse Jr. likes golf, so Patrick began to play more, as evidenced by some of her golf-related tweets:




And she came very close to recording her first ace a year ago:




Danica sinks putt, takes victory lap
Jordan Spieth
PGA Tour/YouTube
Jordan Spieth prepares to hit his tee shot at the 17th hole Saturday.

The big crowd following hometown boy Jordan Spieth all day Saturday at the AT&T Byron Nelson hadn't had much to cheer for all day, until this shot at the par-3 17th:



It almost goes in on the fly. As the commentators said, Spieth was somewhat unlucky to have the ball spin so far from the hole. And to top things off, he missed the short putt and had to settle for par.

Spieth looked to be in perfect position to make a third-round charge, but never put together a string of birdies. He birdied the sixth, only to give that stroke back two holes later. He made a pair of birdies on the back side, including hole at the 16th after bogeying the 15th. That added up to a 68 on a course playing par-69, leaving him six shots behind leader Steven Bowditch.

Watch: Spieth nearly dunks one for an ace
Andrew Loupe
PGA Tour/YouTube
Andrew Loupe prepares to strike his putt on the 16th hole Saturday at TPC Four Seasons.

It's always good to be on the green, putting for eagle. But Andrew Loupe found himself 55 feet from the par-5 16th hole Saturday during third-round action at the AT&T Byron Nelson.

Loupe could have nestled one close and walked away with an easy birdie, but why settle for a 4 when you can putt like this? 




If that was 55 feet away from the hole, Loupe's ball saw almost the entire length of it before finding the bottom of the cup.

Watch: Loupe sinks 55-footer for eagle
Hunter Mahan
USA Today Sports Images
If Hunter Mahan ever needs a mental-game coach, he probably could turn to young Celeste Rivera.
Hunter Mahan played in the pro-am at the AT&T Byron Nelson on Wednesday, and on the 17th hole, he met up with a junior caddie named Celeste Rivera. Mahan autographed a golf ball for her, and she immediately wrote him a letter of thanks.
She also shared some words of wisdom with him.
"I have some advice on how to calm down and stay focused on the golf course," she wrote in her letter, which Mahan shared on Instagram. "First, is by taking deep breaths. Try blocking out all the cameras and people and just do your own thing."
That is some very good advice – and it shows how mature and aware Celeste is. 
The young lady concludes her hand-written letter by thanking Mahan for playing in the pro-am, and wishing him well in the tournament. Very nice.
You can see the letter below. And if you're wondering, the Momentous Institute is a Dallas-based service organization dedicated to improving the lives of at-risk kids. It is one of the charities that the AT&T Byron Nelson supports and, judging by Celeste's letter, its efforts are paying off.
Hunter Mahan gets some mature advice from a very young caddie