Green Bay's Aaron Rodgers may have an MVP under his belt, but San Francisco's Colin Kaepernick stole the show in this NFC Divisional matchup. Green Bay's defense had no answer for Kaepernick's running, which the 49ers would ride to a Super Bowl appearance.
While it wasn't a cause for celebration, Lance Armstrong admitting to using banned substances during his Tour de France run was a historic moment in sports. Millions tuned in to watch the interview on Oprah, and Armstrong quickly became one of the most polarizing figures in sports.
The Super Bowl is one of the most-watched events in all of sports, which it made it that much more embarrassing when the lights went out in the middle of the game's second half. While the incident spawned many conspiracy theories about its cause, we'll remember it for the opportunity it created for fast-thinking brands on Twitter.
The only thing that rivals the monstrosity of the dunk itself is the hilarious series of Internet reactions that the dunk spawned.
The NCAA March Madness tournament always produces thrilling, close games, and this Sweet Sixteen matchup between Kansas and Michigan was no exception. Burke's tough shot in the closing seconds of the game tied the score, and Michigan would go on to beat Kansas.
Westbrook and Durant are one of the most-feared duos in the NBA, and this short clip captures exactly why. Westbrook uses his insane vertical leap to make an impressive block, which leads to Kevin Durant storming down the court for a dunk so vicious that Golden State simply moves out of his way.
The Boston Marathon bombing shook the entire country, especially the city where the tragedy took place. In the Bruins' first game after the disaster. the entire crowd sang the National Anthem at full volume with the 'Boston Strong' logo displayed on the ice, and one could feel the city taking the first steps toward healing.
Facing a 2-goal deficit with 1:30 left in Game 7 against Toronto, the Boston Bruins looked all but done for. However, they managed to score 2 goals in a 30-second span to tie the game, and the B's would eventually win the game in overtime. The improbable feat is one of 2013's best comeback performances.
Overtime in Game 7 of an NHL playoff series is about as nerve-wracking as it gets in sports, but Chicago's Brent Seabrook remained calm under pressure and won the game for his team. Chicago went on to defeat Boston and win the Stanley Cup.
Yasiel Puig was one of 2013's most polarizing figures in sports. Some loved his fiery, flamboyant style of play, while others simply found it obnoxious. Either way, Puig has an absolute cannon of an arm, and he made it known in his first game by throwing out a runner on a routine fly ball to clinch a win for the Dodgers.
What can we say? It was one of the best NBA Finals in recent memory. The Spurs set the tone for a close series by stealing a win in Game 1 in Miami, and it was this circus shot by Tony Parker that sealed the game for San Antonio. We're still not sure how he holds onto the ball and gets the shot off in time in this clip.
After San Antonio stole Game 1 of the NBA Finals, the Miami Heat responded with a blowout victory at home in Game 2. Tiago Splitter Drove for what looked like a huge dunk, but LeBron met him at the rim, stopped Splitter's momentum, and sent his shot out of there with no mercy.
Even at age 38, there are few players you'd rather have taking a season-saving shot than Ray Allen. Even in a situation where a miss would have ended Miam's season, Allen drilled the shot with stone-cold poise. Miami would go on to win their second straight title.
Even with the knowledge that he makes it across in one piece, re-watching the footage from Wallenda's perilous feat is highly anxiety-inducing. While it turns out Wallenda wasn't technically in the Grand Canyon, he was technically in a whole lot of danger, and his poise in the face of certain death was very impressive.
Marion Bartoli knows how to go out on top. The French player got her first Major victory when she won this year's Wimbledon, and she retired just weeks later due to continuing pain from injuries. While her retirement announcement was emotional, it was great to see her win a major before having to say goodbye to tennis.
Relief is the only word that describes Andy Murray in this video. After falling short in the 2012 Wimbledon Finals against Roger Federer, Murray soundly defeated Novak Djokovic in 2013 and brought relief to all of Great Britain.
Brittney Griner dominated the women's college basketball discussion this year due to her dominant play throughout the year and her ability to dunk. This made it seem like Baylor was all but a lock for the NCAA championship, but Louisville squeaked out a shocking upset in the final seconds of the title game.
64-year-old Diana Nyad became the first person to swim from Cuba to Florida without a shark cage, proving that you're never to old to accomplish your dreams.
NFL fans were curious to see how Adrian Peterson would follow up his MVP season from 2012. He wasted no time reminding everyone that he is the best running back in the game, breaking tackles and sprinting to a 78-yard touchdown on his first run of the year.
Sailing? You bet! Oracle Team USA mounted what many regard to be the biggest comeback in the history of all sports when they defeated New Zealand after being down 8-1 (9 points are required for victory).
In a game where the Red Sox offense had looked nonexistent, David Ortiz electrified Fenway Park with this timely grand slam in the eighth inning. The Red Sox would go on to win the World Series, but most importantly of all, Ortiz's homer led to one of the greatest sports photos of the year.
In a match against Panama, Mexico's Raul Jimenez teed up and drilled an impressive bicycle kick goal.
When Kevin Ware broke his leg in the NCAA March Madness tournament, the injury was so graphic that CBS did not show any replays of it. The fact that Ware returned to the court during the same calendar year as the injury is a feat unto itself, let alone the fact that he drilled his first shot attempt in his return game.
With the game tied, Alabama attempted what would have been a game-winning field goal. However, the kick fell short, and Auburn's Chris Davis returned 110 yards for a touchdown, completing Auburn's shocking upset of Alabama. The exhilarating play even earned Davis a standing ovation from his .
Many analysts predict Teddy Bridgewater will be the first player taken in next year's NFL draft, and it's hard to argue with them after seeing this clip. What looks like a desperation heave turns out to be a perfectly-placed ball in the corner of the end zone.
While 2013 had all of the slam dunks, home runs and touchdowns essential to any highlight reel, it was also a year full of moments that reminded us how sports can bring us together.
We watched Andy Murray unify a nation when he became the first British man to win Wimbledon in 77 years, we used sports to begin the healing process after the bombing at the Boston Marathon, and we all remember when the lights went out at the Super Bowl.
See also: Sports! YouTube! 2013's 10 Hottest Videos
We rounded up 25 of the year's top moments in sports in the gallery. Vote for your favorites to help us determine the top sport moment of 2013, and tell us why in the comments. You can vote for up to five plays. If you don't see your choice feel free to add your vote in the comments. The poll will remain open all week, and we'll reveal the results Dec. 19.

Image: Joe Robbins/Getty; Clive Brunskill/Getty; Jim Rogash/Getty