Um, did a Martha Stewart tweet ruin the Yankees' perfect game?

The first rule about baseball's elusive perfect game is YOU DON'T TALK ABOUT THE PERFECT GAME UNTIL IT'S PERFECT.

Here's why, as illustrated by one Martha Stewart.

A "perfect game" in baseball is when a pitcher completes a full game while retiring every batter he faces — over nine innings that's 27 batters faced and 27 batters retired. It hasn't happened in Major League Baseball since 2012, and is one of most difficult accomplishments in baseball.

That's why, when a pitcher is threatening to throw a perfect game — say for example, he's perfect through several innings — teammates and fans go to great lengths not to mention the masterpiece-in-progress for fear of jinxing it.

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Martha Stewart
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NEW YORK, NY - APRIL 29: Martha Stewart attends the 2014 Time 100 Gala at Frederick P. Rose Hall, Jazz at Lincoln Center on April 29, 2014 in New York City. (Photo by D Dipasupil/FilmMagic)
THE TONIGHT SHOW STARRING JIMMY FALLON -- Episode 0094 -- Pictured: (l-r) Television personality Martha Stewart and host Jimmy Fallon during the 'Cubano-Off' cooking segment on July 25, 2014 -- (Photo by: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - APRIL 01: Donald Trump and Martha Stewart attend The New York Observer Relaunch Event on April 1, 2014 in New York City. (Photo by Jamie McCarthy/Getty Images)
HOLLYWOOD GAME NIGHT -- Episode 220 -- Pictured: (l-r) Martha Stewart, Matthew Morrison, Scott Wolf, Contestant -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - SEPTEMBER 11: Martha Stewart is seen at Marc Jacobs during Mercedes-Benz Fashion Week Spring 2015 at Seventh Regiment Armory on September 11, 2014 in New York City. (Photo by Gilbert Carrasquillo/GC Images)
NEW YORK, NY - SEPTEMBER 11: Martha Stewart (L), fashion designer Marc Jacobs (2nd from R) attend the Marc Jacobs fashion show during Mercedes-Benz Fashion Week Spring 2015 at Park Avenue Armory on September 11, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Marc Jacobs)
ATLANTIC CITY, NJ - JULY 26: Martha Stewart attends the Atlantic City Food & Wine Festival hosted by Caesars Entertainment on Saturday, July 26, 2014 in Atlantic City New jersey
EAST HAMPTON, NY - AUGUST 30: Photographer Cindy Sherman and Martha Stewart attend the 2014 Perfect Earth Project Family Picnic And Concert at Cindy Sherman's farmhouse on August 30, 2014 in East Hampton, New York. (Photo by Taylor Hill/WireImage)
SAG HARBOR, NY - AUGUST 16: Martha Stewart attends the 3rd Annual Padde for a Cure on August 16, 2014 in Sag Harbor, New York. (Photo by Steven A Henry/FilmMagic)
ATLANTIC CITY, NJ - JULY 26: Martha Stewart attends the Atlantic City Food & Wine Festival hosted by Caesars Entertainment on Saturday, July 26, 2014 in Atlantic City New jersey (Photo by Tom Briglia/FilmMagic)
WATCH WHAT HAPPENS LIVE -- Pictured (l-r): Andy Cohen, Martha Stewart, NeNe Leakes and Jeff Lewis -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
SOMERSET, NJ - JUNE 30: Martha Stewart attends Health Fest 2014 at The Palace At Somerset Park on June 30, 2014 in Somerset, New Jersey. (Photo by Bobby Bank/WireImage)
NEW YORK, NY - APRIL 29: Martha Stewart attends the TIME 100 Gala, TIME's 100 most influential people in the world at Jazz at Lincoln Center on April 29, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for TIME)
LAS VEGAS, NV - MARCH 12: Martha Stewart attends a book signing for her new book 'Martha Stewart's Cakes' at Macy's on March 12, 2014 in Las Vegas, Nevada. (Photo by Steven Lawton/FilmMagic)
NEW YORK, NY - JUNE 20: Martha Stewart seen in West Village on June 20, 2016 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - JUNE 01: Martha Stewart attends the 2016 New York Restoration Project's Spring Picnic at Morris-Jumel Mansion on June 1, 2016 in New York City. (Photo by Monica Schipper/WireImage)
NEW YORK, NY - APRIL 27: Martha Stewart attends 'The Man Who Knew Infinity' New York Screening at Chelsea Bow Tie Cinemas on April 27, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
NEW YORK, NY - APRIL 26: Martha Stewart attends 2016 Time 100 Gala, Time's Most Influential People In The World - Cocktails at Jazz At Lincoln Center at the Times Warner Center on April 26, 2016 in New York City. (Photo by Jemal Countess/Getty Images for Time)
NEW YORK, NEW YORK - APRIL 07: Martha Stewart attends the 2016 UJA-Federation of New York's fashion division luncheon at The Pierre Hotel on April 7, 2016 in New York City. (Photo by Noam Galai/WireImage)
NEW YORK, NEW YORK - APRIL 06: Martha Stewart attends The Hollywood Reporter's 2016 35 Most Powerful People in Media at Four Seasons Restaurant on April 6, 2016 in New York City. (Photo by Noam Galai/WireImage)
MIAMI, FL - FEBRUARY 27: Chef Jean-Georges Vongerichten and Martha Stewart attend Rose Brunch Hosted By Martha Stewart And Jean-Georges Vongerichten during 2016 Food Network & Cooking Channel South Beach Wine & Food Festival Presented By FOOD & WINE at Edition Hotel on February 27, 2016 in Miami, Florida. (Photo by Manny Hernandez/Getty Images for SOBEWFF)
MIAMI BEACH, FL - FEBRUARY 26: Martha Stewart and chef Nobu Matsuhisa attend Nobu Miami & Malibu Farm Celebrate SOBEWFF At The Eden Roc Hotel at Nobu Miami Beach on February 26, 2016 in Miami Beach, Florida. (Photo by John Parra/Getty Images for Nobu Miami)
NEW YORK, NY - JANUARY 28: Author/ television personality Martha Stewart poses for a photo during the 'Martha Stewart Weddings: Ideas And Inspiration!' book launch at Macy's Herald Square on January 28, 2016 in New York City. (Photo by Cindy Ord/Getty Images)
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Stewart, apparently, never got that memo.

That's right — the Yankees' Michael Pineda was more than two-thirds of the way through hurling a perfect game on Monday when Stewart posted that tweet.

Then — "about three minutes later," per USA Today's Ted Berg, who was at the game — Tampa Bay's Evan Longoria hit a double to ruin Pineda's would-be perfect day.

This did not go unnoticed.

Now, did Stewart's tweet really upset the fragile cosmic order to jinx Pineda?

That would be a ridiculous notion predicated on non-scientific mumbo-jumbo.

Which is to say it's entirely possible. Underestimate the power of non-scientific mumbo-jumbo at your own risk, friends.

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Sports photos of the week: 3/31 - 4/7
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Sports photos of the week: 3/31 - 4/7
CHICAGO, IL - APRIL 06: Neal Pionk #4 of the Minnesota-Duluth Bulldogs and Nathan Krusko #13 of the Harvard Crimson get tangled up along the boards during game one of the 2017 NCAA Division I Men's Hockey Championship Semifinal at the United Center on April 6, 2017 in Chicago, Illinois. (Photo by Jonathan Daniel/Getty Images)
PLOVDIV, BULGARIA - APRIL 6: Natalia Botello of Mexico celebrates winning Mexico's first ever world level fencing gold medal defeating Theodora Glountoura of Greece in a 15-14 victory during the Junior Women's Sabre Event at the Junior and Cadet World Fencing Championships on April 6th, 2017 at the Plovdiv International Fair in Plovdiv, Bulgaria. (Photo by Devin Manky/Getty Images)
ST LOUIS, MO - APRIL 06: Yadier Molina #4 of the St. Louis Cardinals looks on after the ball got stuck to his chest protector allowing Matt Szczur #20 of the Chicago Cubs to advance to first after a swinging third strike during the seventh inning at Busch Stadium on April 6, 2017 in St Louis, Missouri. (Photo by Jeff Curry/Getty Images)
LIVERPOOL, ENGLAND - APRIL 06: Horses jump a fence during the Manifesto Novices' Steeple Chase at Aintree Racecourse on April 6, 2017 in Liverpool, England. (Photo by Alex Livesey/Getty Images)
AUGUSTA, GA - APRIL 06: Justin Thomas of the United States reacts on the 12th hole during the first round of the 2017 Masters Tournament at Augusta National Golf Club on April 6, 2017 in Augusta, Georgia. (Photo by David Cannon/Getty Images)
ST. LOUIS, MO - APRIL 4: Albert Almora Jr. #5 of the Chicago Cubs prevents a home run at the wall against the St. Louis Cardinals in the seventh inning at Busch Stadium on April 4, 2017 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)
AUGUSTA, GA - APRIL 06: Charley Hoffman of the United States jogs up the 13th hole during the first round of the 2017 Masters Tournament at Augusta National Golf Club on April 6, 2017 in Augusta, Georgia. (Photo by Andrew Redington/Getty Images)
HOUSTON, TX - APRIL 06: Danny Valencia #26 of the Seattle Mariners breaks his bat as he grounds out to Yuli Gurriel #10 of the Houston Astros in the fourth inning at Minute Maid Park on April 6, 2017 in Houston, Texas. (Photo by Bob Levey/Getty Images)
NEWARK, NJ - APRIL 06: Patric Hornqvist #72 of the Pittsburgh Penguins scores on the powerplay at 7:45 of the second period against Cory Schneider #35 of the New Jersey Devils at the Prudential Center on April 6, 2017 in Newark, New Jersey. (Photo by Bruce Bennett/Getty Images)
HOUSTON, TX - APRIL 05: Troy Williams #14 of the Houston Rockets drives to the basket and is fouled by Kenneth Faried #35 of the Denver Nuggets in the first half at Toyota Center on April 5, 2017 in Houston, Texas. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Tim Warner/Getty Images)
MILWAUKEE, WI - APRIL 04: Trevor Story #27 of the Colorado Rockies steals second base past Orlando Arcia #3 of the Milwaukee Brewers in the ninth inning at Miller Park on April 4, 2017 in Milwaukee, Wisconsin. (Photo by Dylan Buell/Getty Images)
NEWARK, NJ - APRIL 04: Brayden Schenn #10 of the Philadelphia Flyers misses the attempt against Keith Kinkaid #1 of the New Jersey Devils at the Prudential Center on April 4, 2017 in Newark, New Jersey. The Devils defeated the Flyers 1-0 in overtime. (Photo by Bruce Bennett/Getty Images)
GLENDALE, AZ - APRIL 03: Nigel Williams-Goss #5 of the Gonzaga Bulldogs drives to the basket against Theo Pinson #1 of the North Carolina Tar Heels in the first half during the 2017 NCAA Men's Final Four National Championship game at University of Phoenix Stadium on April 3, 2017 in Glendale, Arizona. (Photo by Ronald Martinez/Getty Images)
MILWAUKEE, WI - APRIL 03: Jon Gray #55 of the Colorado Rockies pitches in the fourth inning against the Milwaukee Brewers of the MLB Opening Day game at Miller Park on April 3, 2017 in Milwaukee, Wisconsin. (Photo by Dylan Buell/Getty Images)
MARTINSVILLE, VA - APRIL 02: Kyle Busch, driver of the #18 M&M's Toyota, races during the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on April 2, 2017 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)
MADRID, SPAIN - APRIL 02: (SPAIN OUT) Isco Alarcon of Real Madrid duels for the ball with Edgar Mendez of Deportivo Alaves during the La Liga match between Real Madrid and Deportivo Alaves at Estadio Santiago Bernabeu on April 2, 2017 in Madrid, Spain. (Photo by Pedro Castillo/Real Madrid via Getty Images)
LOS ANGELES, CA - APRIL 1: Brandon Ingram #14 of the Los Angeles Lakers is fouled by Blake Griffin #32 of the Los Angeles Clippers during the second half at Staples Center April 1, 2017, in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Kevork Djansezian/Getty Images)
GLENDALE, AZ - APRIL 01: Dylan Ennis #31 of the Oregon Ducks reacts after being defeated by the North Carolina Tar Heels during the 2017 NCAA Men's Final Four Semifinal at University of Phoenix Stadium on April 1, 2017 in Glendale, Arizona. North Carolina defeated Oregon 77-76. (Photo by Ronald Martinez/Getty Images)
Football Soccer - FSV Mainz 05 v RB Leipzig - German Bundesliga - Opel Arena, Mainz, Germany - 5/4/17 - RB Leipzig's Willi Orban in action REUTERS/Kai Pfaffenbach DFL RULES TO LIMIT THE ONLINE USAGE DURING MATCH TIME TO 15 PICTURES PER GAME. IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED AT ANY TIME. FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050.
Football Soccer - TSG 1899 Hoffenheim v Bayern Munich - German Bundesliga - Rhein-Neckar-Arena, Sinsheim, Germany - 4/4/17 - Bayern Munich's Kingsley Coman and Hoffenheim's Andrej Kramaric in action REUTERS/Kai Pfaffenbach DFL RULES TO LIMIT THE ONLINE USAGE DURING MATCH TIME TO 15 PICTURES PER GAME. IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED AT ANY TIME. FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050.
FORT WORTH, TX - APRIL 07: Erik Jones, driver of the #77 5-hour ENERGY Extra Strength Toyota, sits in his car during practice for the Monster Energy NASCAR Cup Series O'Reilly Auto Parts 500 at Texas Motor Speedway on April 7, 2017 in Fort Worth, Texas. (Photo by Brian Lawdermilk/Getty Images)
NUREMBERG, GERMANY - APRIL 07: Aziz Bouhaddouz of St. Pauli celebrates scoring the opening goal during the Second Bundesliga match between 1. FC Nuernberg and FC St. Pauli at Arena Nuernberg on April 7, 2017 in Nuremberg, Germany. (Photo by Alexander Hassenstein/Bongarts/Getty Images)
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