He cut the deficit with another birdie at 15, then rolled in his birdie bomb at 16 after recovering from a tee shot into the trees.
However, Rahm won the ninth, tenth, 13th, 15th and 16th holes to peg it back to 1UP - Johnson won the 12th - but pars for both players on the final two holes meant that the American clung on.
Rahm, who dispatched of Bill Haas in the semifinals, 3 and 2, wanted to face the hottest player in golf in the championship. Johnson typically plays in the event to get ready for the Masters next week. But his chip down the slope checked up and stayed short of the ridge, and he had to settle for par.
In the longest week of the year seven matches over five days and one of the toughest tournaments to win because match play is so unpredictable, Johnson delivered the outcome everyone expected Sunday at Austin Country Club. But as of right now I'm playing and I'm planning on going there.
"There's a lot of great players and I'm the first one to do it", Johnson said after completing the WGC Slam. Then, he had to make an 8-foot par putt to beat Tanihara and avoid extra holes and advance to the final.
"It's a long way to go". "I gave him 10 when I three-putted but that was about the only hole I gave him, he played tough".
A key moment looked to have arrived at the 11th, Johnson saving par and a half from 6ft as Rahm looked to impose himself further on the match.
He is projected to jump from 26th to 14th when the world rankings are updated on Monday.
In the afternoon finals match, Dustin defeated 22-year-old sensational Spaniard Jon Rahm one up on the last, eighteenth hole.
Johnson dominated the golf course and his competition during his seven rounds, never trailing in any match and working his way through three rounds of group play and two more matches in the round of 16 and the quarterfinals without even breaking a sweat.
Johnson remains in the form of his life, to the point where this week's Shell Houston Open might be a minor inconvenience; he would surely rather be heading straight to Augusta National. Luke Donald did it in 2001, but that was before round-robin play and so Donald played only six 18-hole matches that week.
South Korea's Mirim Lee stormed to a six-shot success in the Kia Classic in California. Johnson finished third at Houston previous year and has been sixth and fourth in his past two finishes at Augusta National, respectively, where he is expected to be a heavy favorite next week.
Darby, who started caddying on the Canadian Tour, now has two wins in opposite field tournaments.
Lee twice just missed putts that would have put her at 21-under.
At 13, Rahm drove the green and two-putted for a birdie that left him just 3 down again.
PGA - D.A. Points started with five straight birdies and closed with a 6-under-par 66 to win the Puerto Rico Open for his third PGA Tour title. The Spaniard picked up another hole on the par-4 10th, on which Johnson three-putted for another bogey.
Not even Tiger Woods can boast all of the four World Golf Championship titles in his crammed trophy cabinet.
That changed on Monday when Johnson informed Houston and PGA officials that he would take the week off before the Masters.
Chadian opposition parties say she should have been banned from visiting describing her as a champion of "fascist" policies. Touching upon the accusations of Russian meddling in the French election campaign, Le Pen said the claims were groundless.
He also has started the process to renegotiate the North American Free Trade Agreement with Mexico and Canada. Mr Trump has already pulled the USA out of a proposed free trade deal with Japan and other countries.
Luke Maye recorded his first career double-double with 16 points and 12 rebounds, helping fuel a quick start for Carolina (30-7). Heading into Saturday, 42 schools had made it to the Final Four at least once since the tournament expanded to 64 teams in 1985.
If this move turns out to be a success, it will greatly accelerate SpaceX's goal of cutting down the cost of space flights. SpaceX has had eight successful Falcon 9 landings, and on Thursday we should see one of them make history.
It's great just to see the new logo, but take a closer look, and it actually reveals some key facts about the next Destiny game. It's potentially not just Xbox One owners who will feel the full brunt of the PS4 timed-exclusivity arrangement for Destiny 2 .
In these vehicles, the pawl spring tab in the side door latch can brake, leading to the door not being able to close properly. Dealerships will replace the current two-piece driveshaft in favor of a three-piece unit with two center bearing brackets.
"Damaging winds and large hail will be the main threats, with an isolated tornado possible", officials said in a statement. Showers and storms this afternoon and evening will bring the threat for severe weather into central and eastern Kentucky.
Earth Hour launched in Sydney in 2007, with 2.2 million people and 2,100 businesses switching off their lights. Lights will be voluntarily switched off from 8:30 to 9:00 PM from buildings, reports 24 News HD.
The store is able to track a few customers at a time , but once it reaches about 20, it becomes too much for the system . AmazonFresh Pickup is now in beta testing with employees at two locations in Amazon's Seattle headquarters.
Also, tomorrow, Friday, March 24, Gorillaz will perform the entire album live at a show in London at a secret location . The album will be the virtual band's fourth full-length LP, and their first release since 2010's " Plastic Beach ".
In the 1990s, a python was discovered in the same area, but nobody had ever been swallowed by a snake before, Junaidi observed. A day later, when the police conducted a search they found a python had sprawled out in Akbar's garden, the BBC noted.
Once they're done decorating, people can add them to their story , share it to the news feed or direct-message it to a friend. This allows you to share photos and videos with each other in direct response to the stories you are trading with each other.
Replying to the debate, Finance Minister Arun Jaitley said the bill protects the source of information related to tax evasion. He billed the merger of various tribunals as an effort to rationalise and save the exchequer's expenses.
As a president, Trump has moved more cautiously. "A more defined course of action in Syria is still coming together", he said. Tillerson said the United States would play its part and pay its fair share of the overall operation.
However, Harry changed his mind after Prince William was filmed dancing and partying in an all-boys ski trip. A Kensington Palace spokesmen has declined to comment, describing it as a "private matter".
But challengers say the rule exceeds the EPA's statutory authority and goes beyond the bounds set by the Constitution. He complained some people seemed to think that if "you're pro-growth, pro-jobs, you're anti-environment".
Ms Hua said Chinese authorities "hope that Chinese nationals in France can express their wishes and demands in a reasonable way". The man's family deny he attempted to assault the officer, and claim he was holding scissors because he had been cutting fish.
Green made sure to mention that moving a town over is different than bolting to another city 500 miles away. When it's done and the Raiders move in, UNLV will as well. "You just don't move certain franchises".
Furthermore, in his latest tweets on Monday evening, Trump wrote that the " Trump Russia story is a hoax ". The charges stem from Peter Schweizer's book Clinton Cash and an April, 2015 New York Times article .
Maddow tweeted about obtaining the tax documents in the hours before she said she planned to release the details on her show. Maddow's tweet less than 90 minutes before her show that "we've got Trump's tax returns" set off a social media frenzy.
After the match, Blind accepted responsibility for the shock defeat, which was sure to lead to questions about his leadership. So many "incidents" can not be mere coincidence and these poor results make Blind's parting shot sound delusional.
Treasury Secretary Steve Mnuchin says artificial intelligence is "so far in the future" that it's "not even on my radar screen". So I just want to have the legal disclosure that you've asked me the question and I am not promoting any product.
Dow and DuPont were expecting the merger to be approved last fall, but asked for an extension in September. It said the asset sales would ensure competition in the sector and benefit European farmers and consumers.
The sanctions target firms that provide arms and equipment to Israel "for use against the Palestinians", IRNA reported. Congress passes a bill which would designate Iran's Revolutionary Guards Corps as a terrorist organization.