20. Mississippi vs. Mississippi State

College Football Rivalry Week

While neither team is an SEC contender this season, that won't stop Mississippi State and Mississippi from fighting to take home the Egg Bowl Trophy. (AP Photo/Jim Lytle)

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20. Mississippi ... While neither team is an SEC contender this season, that won't stop Mississippi State and Mississippi from fighting to take home the Egg Bowl Trophy. (AP Photo/Jim Lytle)
19. Nebraska vs.... This young but fierce rivalry took on a new level of intensity when the two teams landed in the Big 12 North. While annually playing for bragging rights, they often go at it for a spot in the Big 12 championship game. (AP Photo/David Zaubowski)
18. Washington v... The Apple Cup has had better seasons. The Huskies enter this year's matchup a dismal 0-11, with their rivals not much better at 1-10. (AP Photo/Ted S. Warren)
17. Lehigh vs. L... The Lehigh-Lafayette rivalry may not be the most publicized, but it is the most played rivalry in college football history. The matchup, simply referred to as "The Rivalry," has been played a record 143 times since it’s inception in 1884. (AP Photo/Mia M. Malafronte)
16. Harvard vs. ... Harvard and Yale, two of the nation's oldest universities, knock heads every year in the last game of the season. "The Game" is fiercely competitive and should be again this year--both teams are unbeaten in Ivy League play for the first time since 1968. (AP Photo/Bob Child)
15. Missouri vs.... "The Border War" has its roots in early Civil War battles. While the game is now officially called "The Border Showdown," it has not lost an ounce of intensity. (AP Photo/L.G. Patterson)
14. BYU vs. Utah... The annual rivalry between the Utes and the Cougars is called "The Holy War." This year's matchup is expected to be a thriller, as both teams are vying for the Mountain West title. (AP Photo/Steve C. Wilson)
13. Clemson vs. ... Played every year since 1909, "The Battle of the Palmetto State" is the longest uninterrupted series in the South and third continuously played rivalry in college football. Clemson has more wins over South Carolina than any other opponent and currently leads the series 64-37-4. (AP Photo/Mary Ann Chastain)
12. Stanford vs.... With the recent hire of Jim Harbaugh, Stanford has made "The Big Game" much more competitive. Of course, this rivalry usually conjures up memories of one of the greatest moments in college football history when "the band [was] on the field!" (AP Photo/Paul Sakuma)
11. West Virgini... Typically a close, intense battle, "The Backyard Brawl" staged one of the most stunning games in its history last year when the unranked Panthers pulled off a 13-9 upset win over the then-No. 2 Mountaineers and cost WVU a shot at the national title. (AP Photo/Jeff Gentner)
10. Oregon State... When a football game is nicknamed "The Civil War," you know it’s intense. And this annual rivalry usually lives up to the hype. (AP Photo/Greg Wahl-Stephens)
9. Texas vs. Tex... The two oldest public universities in Texas collide every year in what is known as "The Lone Star Showdown." In 2006, General Mills honored the rivalry on its trademark cereal brand, Wheaties. It was the first time in history that a college football rivalry had been given such distinction. (AP Photo/Harry Cabluck)
8. USC vs. Notre... USC vs. Notre Dame is a historic rivalry that has lost some of its luster in recent years. But in 2005, Matt Leinart scored the winning touchdown against the Irish with three seconds left, leading USC to a 34-31 victory. (AP Photo/Joe Raymond)
7. UCLA vs. USC With campuses located less than 10 miles apart, "The Battle of L.A." is as intense off the field as it is on it. In the week leading up to the game, USC wraps its Trojan Shrine (or Tommy Trojan) in duct tape to protect it from vandalism; UCLA hides its Bruin Bear with a huge sign that reads: "THE BRUIN BEAR IS HIBERNATING. BEAT SC." But when the competition hits the field it’s all about pad-popping football and the coveted Victory Bell trophy. (AP Photo/Mark J. Terrill)
6. Miami vs. Flo... While neither the ‘Canes nor the Seminoles are as powerful as they were a few years ago, this is the rivalry that led the ACC to expand its ranks. Usually marked by great contests, it played host to the original "Wide Right" classic, won by Miami in 1991. (AP Photo/J. Pat Carter)
5. Florida vs. G... "The World's Largest Outdoor Cocktail Party" was the nickname for the annual clash between Florida and Georgia...then the NCAA stepped in and forced a name change. Regardless of what it's called, this matchup has given birth to many great moments, but fans will never forget when the entire Georgia team left the sideline for a mass-celebration in the endzone in 2007. (AP Photo/Phil Coale)
4. Oklahoma vs.T... "The Red River Rivalry" is one of the most highly anticipated rivalries in the Big 12, and considered by some the best rivalry in college football. Since 1945, at least one of the two teams have been ranked in the Top 25. Winners of four of the last eight contests have gone onto play in the national title game. The Longhorns lead the series 58–40–5. (AP Photo/Donna McWilliam)
3. Auburn vs. Al... Auburn has recently owned Alabama in their annual Iron Bowl rivalry. But Auburn fans might not be celebrating this year as the Tide rolls into the game ranked No. 1 in the country. (AP Photo/Todd J. Van Emst)
2. Ohio State vs... The annual matchup between the Wolverines and Buckeyes is held at the end of the regular season and usually has Big Ten and national title implications. While Michigan is having a tough year, anything can happen in one of the fiercest rivalries in all of sports. (AP Photo/Carlos Osorio)
1. Army vs. Navy The Army-Navy Game is the most traditional rivalry in college football. TV's instant replay made its debut in the 1965 meeting between these two teams. In 2005, Navy defeated Army and broke the 49-49 tie in victories that stood between the two academies. The Commander-in-Chief’s trophy is up for grabs again this year for the 109th time. (AP Photo/Rusty Kennedy)