1. University of Arkansas
   Auburn University
2. University of Nebraska
   University of Oregon

The Iron Bowl has had some storied moments throughout its history. If you're an Auburn fan, the kick six return in 2013 with one second left on the clock will forever be sketched in your memory.

1. Red Sox
   Braves
2. Rangers
   Indians

This rivalry was shaped around the trade of Babe Ruth from the Red Sox to the Yankees. The trade started the Curse of the Bambino, where the Red Sox didn't win a title for 86 years.

1. Falcons
   Jets
2. Texans
   Bears

The Green Bay Packers won the first Super Bowl in 1966. Since then, the team has won three more Super Bowls, while the Bears have only won a single Super Bowl in 1985.

1. Rockets
   Lakers
2. Thunder
   Clippers

The Lakers and Celtics rivalry was shaped in the '80s by the rivalry between Magic Johnson and Larry Bird. During the decade, both teams won a combined eight championships.

1. North Carolina
   Florida
2. Ohio State
   Louisville

The rivalry between Duke and North Carolina began as a product of location. They are located only 10 miles apart.

1. LA Galaxy
   Barcelona
2. Atlanta United
   Toronto

The rivalry between Real Madrid and Barcelona pits the two largest cities in Spain against one another. The matchup is known as El Clásico.

1. USC
   Texas
2. Oklahoma
   Michigan

Ohio State and Michigan have been playing each other since 1897. They have met 114 times since then.

1. Marlins
   Cardinals
2. Mets
   Astros

The Braves and the Mets first met in the playoffs during the 1969 NLCS. The Mets swept the Braves in the series before going on to win the World Series title.

1. Rams
   Saints
2. Broncos
   Eagles

The Cowboys came into the 2017 season with high expectations after making the playoffs the year before. However, it was the Eagles who would soar as they went on to win the Super Bowl against the New England Patriots. Wearing a Cowboys jersey to an Eagles home game can lead to unpleasantness.

1. Warriors
   Spurs
2. Pistons
   Timberwolves

The Bulls and the Pistons rivalry was shaped by the hatred between Michael Jordan and Isiah Thomas. Thomas got the best of Jordan early on in the rivalry, but Jordan would prove he was the better player before all was said and done.

1. UCLA
   Clemson
2. Miami
   West Virginia

The winner of the UCLA-USC game is awarded the Victory Bell. USC currently holds the nearly 300-pound, brass bell.

1. Cardinals
   Astros
2. Mets
   Phillies

One of the greatest pitchers of all time, Nolan Ryan, played for both the Rangers and the Astros. Both teams retired his number 34.

1. Canucks
   Flyers
2. Oilers
   Maple Leafs

The Penguins and Flyers rivalry pits two teams from Pennsylvania against one another in a matchup known as the Battle of Pennsylvania. The Flyers hold the all-time series record along with the longest winning streak at 11 games.

1. University of Tennessee
   University of Kentucky
2. University of Oklahoma​
   University of Arkansas

The Red River Rivalry has taken place since 1900. Texas defeated Oklahoma in their first meeting 28-2.

1. Ravens
   Dolphins
2. Chargers
   Seahawks

No team has more Super Bowl wins than the Pittsburgh Steelers. However, the Ravens have the most recent Super Bowl title, which they won in 2012.

1. Washington
   Pittsburg
2. Tennessee
   Miami

Florida State and Miami both rose to college football prominence in the 1980s and '90s. Both teams' success can be attributed to the talented players who went through the programs before going on to play in the NFL.

1. Phillies
   Dodgers
2. Angels
   Cardinals

The rivalry between the Cardinals and the Cubs was intensified in 1998 when Mark McGwire and Sammy Sosa went back and forth trying to beat the single-season home run record. Both players beat the original record of 61, but Mark McGwire set the new record at 70.

1. Olympiacos
   Panathinaikos
2. Rangers
   Club Brugge

The Celtics hold the largest victory in this rivalry at 7-1. The win came during the Scottish League Cup in 1957.

1. Raiders
   Bills
2. Panthers
   Titans

The Raiders dominated the late '70s and early '80s. Much of their success was attributed to their tough, dirty play on the field.

1. Golden Knights
   Rangers
2. Flames
   Senators

The Rangers and the Islanders have met several times in the playoffs. Their most recent playoff series was in 1994 when the Rangers swept the series 4-0.

1. University of Buffalo
   University of Florida
2. Texas Tech University
   Louisiana​ State University

The rivalry between Georgia and Florida is known as the "World's Largest Outdoor Cocktail Party." The name comes from the drinking that takes place among fans before the game.

1. Blue Jays
   Nationals
2. Indians
   Athletics

The Reds and the Indians play in two different leagues, but that doesn't make this rivalry any less intense. In fact, the winner of the game is awarded a trophy known as the Ohio Cup, which adds plenty of fuel when these teams get together.

1. Rockets
   Knicks
2. Bobcats
   Heat

Since 1999, the Spurs have won five NBA championships. The Rockets, on the other hand, haven't been to the NBA Finals since 1995.

1. Patriots
   Rams
2. 49ers
   Saints

The Saints and the Falcons have two of the top quarterbacks in the NFL. However, Drew Brees has won a Super Bowl with the Saints, while Matt Ryan lost in his only appearance.

1. Marlins
   Dodgers
2. Phillies
   Cubs

The Cubs are located in Chicago's North Side, while the White Sox are in the South Side. These locations are used when describing fans of each team as "North Siders" or "South Siders."

1. Texas A&M
   Hawaii
2. Stanford
   Cal

Despite only meeting 32 times, Notre Dame and Stanford have a fierce rivalry. Notre Dame leads the series 19-13.

1. Cruz Azul
   Club America
2. Club Atlas
   Club Leon

The rivalry between Chivas De Guadalajara and Club America is partially built around the type of players each team chooses to sign. Chivas chooses to sign only Mexican-born players to their roster, but Club America goes for big-name​ foreign stars.

1. Spurs
   Rockets
2. Mavericks
   Timberwolves

For much of the 2000s, the Spurs and the Lakers had two of the greatest players, Tim Duncan and Kobe Bryant, to ever play in the NBA. They won a combined 10 NBA titles for their respective teams.

1. Blackhawks
   Canadiens
2. Wings
   Senators

The Canadiens and the Bruins have a long history to their rivalry, which includes playing each other more times than any other two teams in the NHL. Nine of the times they've met were in Game 7s of the NHL playoffs.

1. South Carolina
   Baylor
2. BYU
   TCU

Under head coach Dabo Swinney, Clemson has become one of the most dominant teams in college football, even winning a National Championship. South Carolina seeks to have that same success under third-year head coach Will Muschamp.

1. Lakers
   Grizzlies
2. Warriors
   Timberwolves

From 2015 until 2018, the Cavaliers and the Warriors met four straight times in the NBA Finals. The peak of the rivalry was in 2016, when the Cavaliers came back from a 3-1 deficit to defeat the Warriors in seven games.

1. Arsenal
   West Ham United
2. Everton
   Liverpool

Manchester United and Liverpool are two English teams that have had success both in their league and nationally. Both teams have been crowned European champions, with Liverpool winning five times and United winning three times.

1. Heat
   Clippers
2. Thunder
   Knicks

At one point, this rivalry pitted a player against a fan when Reggie Miller, who played for the Pacers, went at Knicks super fan Spike Lee. Lee was known for talking trash, and Miller wasn't afraid to answer back.

1. Navy
   Miami
2. Syracuse
   Penn State

You know a rivalry is good when it ends the regular season for all teams in college football. That's exactly what the Army-Navy game does, as it's the last game before the bowl season starts.

1. Rams
   Panthers
2. Jets
   Texans

The Patriots have dominated the AFC East since 2001, winning the division every year except two. The Jets have one division title during that span.