Look back at the biggest sports moments of 2017

"There's always next year."

Sports fans are used to this mantra. After each championship your team doesn't win, you're able to find comfort in the everlasting hope of "next year."

For some teams and athletes, the dream of "next year" finally came in 2017. 

SEE ALSO: Celtics forward Gordon Hayward is already out of his walking boot

Several of the year's greatest moments came from the historic championships we witnessed, from a record-setting Super Bowl in February to a Grand Slam semifinal comprised exclusively of American women in the fall, all the way to a World Series in November that helped to heal a reeling Houston.

We saw sisters defeat sisters, legends defeat legends and previously unknown athletes become household names. No matter the sport, 2017 was a year for the record books. 

Click through the slideshow below to relive all of the greatest sports moments of 2017. 

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The biggest sports moments from 2017
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The biggest sports moments from 2017

On January 2, the St. Louis Blues defeated the Chicago Blackhawks 4-1 in the annual NHL Winter Classic.

(Photo by Dilip Vishwanat/Getty Images)

The United States took home the gold at the World Junior Ice Hockey Championships on January 5, upsetting host country Canada in a shootout in the final round.

(Photo by Yelena Rusko\TASS via Getty Images)

The Clemson Tigers beat the undefeated Alabama Crimson Tide in the 2017 College Football Playoff National Championship on January 9.

(Photo by Kevin C. Cox/Getty Images)

Serena Williams, who unbeknownst to sports fans was pregnant, took the crown at the Australian Open on January 28. She defeated her sister, Venus, in the final round.

(Photo credit should read SAEED KHAN/AFP/Getty Images)

History was made several times over on February 5, when the New England Patriots erased a 25-point deficit to win Super Bowl LI against the Atlanta Falcons. It was the first time the Super Bowl ever went into overtime.

(Photo by Kevin C. Cox/Getty Images)

During the NBA All-Star Game on February 19, game MVP Anthony Davis scored 52 points -- a record for the event. The game was initially supposed to be held in Charlotte, North Carolina, but was relocated due to the league's opposition to LGBT discrimination laws in the state.

(Photo by Bob Donnan - Pool/Getty Images)

The United States won the fourth annual World Baseball Classic on March 22.

(Photo by Denis Poroy/Getty Images)

The South Carolina Gamecocks defeated Mississippi State to win their first-ever NCAA Division I Basketball Championship on April 2.

(Richard W. Rodriguez/Fort Worth Star-Telegram/TNS via Getty Images)

On April 3, the North Carolina Tar Heels won the university's sixth NCAA Division I Men's Basketball Championship.

(Photo by Tom Pennington/Getty Images)

On April 9, Sergio Garcia of Spain won his first major championship at the Masters, defeating Justin Rose in a sudden-death playoff. 

(Photo by Harry How/Getty Images)

On June 11, the Pittsburgh Penguins won their second-straight Stanley Cup Championship by defeating the Nashville Predators in six games.

(Photo by Aaron Doster-USA TODAY Sports via Reuters)

On June 12, the Golden State Warriors defeated the Cleveland Cavaliers in the teams' third-straight NBA Finals matchup.

(Photo by Kelley L Cox-USA TODAY Sports via Reuters)

Kathrine Switzer, the first woman to run the Boston Marathon as a numbered entry in 1967, ran the race again with the same number on April 17.

(Photo by John Tlumacki/The Boston Globe via Getty Images)

Always Dreaming, jockey John R. Velazquez and trainer Todd Pletcher won the Kentucky Derby on May 6.

(Photo by Candice Chavez/Eclipse Sportswire/Getty Images)

On May 20, Cloud Computing, jockey Javier Castellano and trainer Chad Brown won the Preakness Stakes.

(Photo by Rob Carr/Getty Images)

On May 29, Takuma Sato became the first Asian driver to win the Indianapolis 500.

(Photo by James Black/Icon Sportswire via Getty Images)

Tapwrit, jockey Jose Ortiz and trainer Todd Pletcher won the Belmont Stakes on June 10.

(Photo by Alex Evers/Eclipse Sportswire/Getty Images)

Brooks Koepka claimed his first major title when he won the U.S. Open on June 18.

(Photo by Streeter Lecka/Getty Images)

Fourteenth seed Garbine Muguruza upset Venus Williams to win Wimbledon on July 16, becoming the first ever player to defeat both Williams sisters in finals. 

(Photo by Steven Paston/PA Images via Getty Images)

Aaron Judge, later named the American League Rookie of the Year, won the MLB Home Run Derby on July 11.

(Photo by Brace Hemmelgarn/Minnesota Twins/Getty Images)

On August 26, Floyd Mayweather Jr. defeated Conor McGregor in one of the biggest fights in recent memory.

(Photo by Jeff Bottari/Zuffa LLC/Zuffa LLC via Getty Images)

For the first time since 1981, the U.S. Open semifinals were comprised entirely of American women -- with the ultimate champion being Sloane Stephens, who won her first Grand Slam title on September 9.

(Photo by Volkan Furuncu/Anadolu Agency/Getty Images)

On November 1, the Houston Astros won Game 7 of the World Series against the Los Angeles Dodgers. The championship was the first for the franchise and came after a summer of struggles in the city of Houston after Hurricane Harvey.

(Photo by Christian Petersen/Getty Images)

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