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Speaking of discounts, the biggest shopping day of the year is coming up at the end of the week. And we’ve got a heck of a Black Friday coupon to pass along to you.

And we’re going to post it a day early.

Check the Football America blog, our Twitter page or our Facebook page to see the coupon code on Thursday.

Related: Get the New York Giants fan in your life an Eli Manning jersey.

It’s time to dust off your “O-Who?” t-shirt and rehearse those obscene chants.

It’s rivalry week.

The most-anticipated week of the regular season kicks off this weekend with some of college football’s greatest annual showdowns, and it continues through the following week — with some big games on and after Thanksgiving — through the end of the season.

There are some big games, and here are our favorites:

No. 5 — Stanford vs. Cal

Series record: Stanford leads 55-45-11

Trophy: The Stanford Axe (The answer to yesterday’s trivia question)

Game time: 6:30 p.m. on Saturday (Versus)

Legendary moment: “The Play.” The year was 1982, and Stanford quarterback John Elway led the Cardinal on a last-minute scoring drive to take a 20-19 lead with four seconds to go. In what was to be a formality in the Cardinal’s victory, Stanford squibbed the ensuing kickoff, but Cal advanced the ball upfield, lateraling the ball five times in the process. Cal’s Kevin Moen caught a crease and ran in the game-winning touchdown — through the Stanford band — before bopping a trombonist on the head.

The scoop: There is a lot of tradition surrounding the Cal-Stanford game, from bonfires to theater plays and parodies that are typically performed around this time of year.

At the heart of it is a rivalry between two top-notch schools in California’s Bay Area. There have been a number of close games between the two teams, most notably the one in 1982 that ended with “The Play.”

No. 4 — Harvard vs. Yale

Series record: Yale leads 65-52-8.

Game time: 11 a.m. on Saturday (Versus)

Legendary moment: “Harvard beats Yale, 29-29.” Harvard pieced together a miraculous, 16-point comeback in the last 42 seconds of the 1968 game to force a 29-29 tie with the Bulldogs. The result left Yale 8-0-1 on the season, essentially snapping a 16-game winning streak. In the next day’s edition, Harvard’s Crimson newspaper printed the now-famous headline “Harvard beats Yale, 29-29.”

The scoop: The early days of this rivalry were especially brutal. Back in the late 19th Century, football was essentially a combination of rugby and brawling.

As one observer noted: “Few players wore helmets, and a close observer declared that as Harvard and Yale pummeled each other, “It was the most magnificent sight … every lineman’s face was dripping with blood.””

In 1892, Harvard introduced the “Flying Wedge” formation. The formation was so dangerous and it caused so many injuries that it was promptly banned. No joke — it’s now mostly used by riot police.

It’s said that before the 1908 game, Harvard coach Percy Haughton strangled a bulldog to death in the locker room to motivate his players.

Now that’s a rivalry.

No. 3 — Michigan vs. Ohio State

Series record: Michigan leads 57-42-6.

Game time: 11 a.m. on Saturday (ABC)

Legendary moment: The opening shot of the “Ten Year War.” Former Ohio State assistant Bo Schembechler is hired at Michigan in 1969, and he leads the Wolverines to a 24-12 upset of Woody Hayes and the Buckeyes. Ohio State was intercepted six times in the loss, as Michigan snapped the Buckeyes’ 22-game winning streak.

The scoop: In addition to the bitter animosity between fans of the rival schools, this game is usually a late-season championship of sorts.

For most of the last few decades, the winner of this game has gone on to win the Big Ten and earn an invitation to the Rose Bowl. Michigan has slipped as of lately, but this game is still the biggest of the regular season for a lot of folks in the Midwest.

No. 2 — Texas vs. Oklahoma

Series record: Texas leads 59-40-5.

Trophy: The Golden Hat.

Game time: Texas won 16-13 on Oct. 17.

Legendary moment: There are many to pick from, but the 15-15 tie in 1984 ranks among them. UT entered the game a consensus No. 1, and OU was 2/3. Sooners coach Barry Switzer came to the game wearing a cap that said “Beat Texas,” and he had future UT head coach Mack Brown by his side (as OU’s offensive coordinator). Texas rallied and kicked a last-second field goal to secure a tie.

The scoop: The road to the national championship frequently goes through Dallas.

Five of the last nine UT-OU games has featured one of the participants in the BCS Championship Game. In 60 of the last 65 games, one or both of these teams has been ranked in the Top 25.

No. 1 — Army vs. Navy

Series record: Navy leads 53-49-7.

Trophy: The Commander-In-Chief’s Trophy

Game time: 1:30 p.m. on Saturday, Dec. 12 (CBS)

Legendary moment: “The Game of the Century.” Top-ranked Army defeats No. 2 Navy 32-13 in the 1945 edition of the game.

The scoop: This is what it’s all about. The modern era of college football may have left the service academies in its dust, but Army-Navy still embodies the true spirit of college sports.

Virtually none of the players in this game will go on to play professional football. Instead, they’ll do something even more important. Graduates will move on to fulfill their service requirements, defending America and her interests at home and abroad.

These two schools may be heated rivals, but when the final whistle blows, they return to being brothers. At the end of every Army-Navy game, both teams stand side by side and sing each other’s alma mater.

This week’s trivia question is about one of the biggest games of the weekend.

In fact, it is the Big Game.

Arch rivals Stanford and Cal are set to lock up in their annual grudge match at 6:30 p.m. on Saturday. The game, popularly known as “The Big Game” will be broadcast on Versus.

The Big Game has had some big moments, none greater than this one. They call it “The Play”:

Our question this week is this:

What is the name of the trophy given to the winner of the Big Game?

If you know the answer, post it here, give us a tweet @FB_America or find us on Facebook.

Related: Browse our selection of college football apparel.

Long before the endorsements, paychecks and big-time contracts, today’s pro football stars were playing regular ol’ high school ball.

But there wasn’t anything regular about them. Players like Reggie Bush, Vince Young and Adrian Peterson turned plenty of heads in their high school years, putting together amazing highlight reels that are still incredible to watch.

Thanks to YouTube, we can check them out. Here are some of today’s NFL superstars, back before they became famous:

Adrian Peterson — Palestine HS (Palestine, TX)

As a high school senior in 2004, Peterson averaged an absolutely astounding 11.7 yards per carry, piling up 2,960 yards and 32 touchdowns on 252 attempts. He received Player of the Year honors from the U.S. Army, College Football News and Rivals.com.

Peterson is currently the starting running back for the Minnesota Vikings.

Reggie Bush — Helix HS (La Mesa, CA)

Following a breakout junior season, in which he amassed 3,135 all-purpose yards, Bush returned from a broken wrist to reach the CIF San Diego Section Division II finals. He averaged 12.0 yards per carry in his high school career and scored 450 points in 2002.

Bush is a member of the New Orleans Saints’ backfield rotation.

Vince Young — Madison HS (Houston, TX)

Young passed for 3,819 yards and 59 touchdowns as he led Madison to the state finals in his 2001 senior year, earning a laundry list of national awards. He earned Player of the Year honors from both Parade and The Sporting News.

Young is now the starting quarterback for the Tennessee Titans.

Brian Urlacher — Lovington HS (Lovington, NM)

A force in all three phases of the game, Urlacher helped lead Lovington to a 14-0 record and the state championship in 1995, his senior season.

A six-time Pro Bowl linebacker, Urlacher is regarded as as one of the “Monsters of the Midway” in Chicago.

Allen Iverson — Bethel HS (Hampton, VA)

As dangerous of a football player as he is a basketball player, Iverson passed for 201 yards, returned a punt for a 60-yard touchdown and intercepted two passes as he led Bethel to the state championship in his junior year in 1995.

Averaging 27.0 points per game over a 14-year basketball career, Iverson is a free agent and is said to be considering retirement.

Related: Check out the Football America homepage.