Every single week can prove to mean so much to the college football landscape as a single victory could be just what a team needs to boost them up the top 25 poll, whereas a loss can slide you down a long way. Week 4 was a huge week for the Pac-12 as it featured a couple key conference openers.

All three juicy Pac-12 matchups on Saturday’s slate turned out to be blowouts. It all started with ESPN’s game of the week which featured UCLA on the road against Arizona. The Bruins came out early and took advantage of Arizona’s miscues all game long, they went on to win by a score of 56-30 as Josh Rosen continues to impress. Next was the Utah Utes visiting the Oregon Ducks in Autzen. The Utes shocked Oregon and handed the Ducks a historic 62-20 loss on their own turf. The finale was USC and Arizona State. The Trojans bounced back in a big way after losing to Stanford last week and took a 35-0 lead into the half against the Sun Devils. The #3 Horned Frogs avoided another upset and won on a late heroic TD catch by Aaron Green. Teams like Michigan and Florida look to crack the top 25 for the first time this season.

Take a look below at the rest of my top 25 along with who is on the rise and who is slipping:

1.)  Ohio State Buckeyes
2.)
Michigan State Spartans
3.)
Baylor Bears
4.)
TCU Horned Frogs
5.)
Ole Miss Rebels
6.)
Notre Dame Fighting Irish
7.)
UCLA Bruins
8.)
Georgia Bulldogs
9.)
LSU Tigers
10.) Florida State Seminoles
11.)
Utah Utes
12.)
Alabama Crimson Tide
13.)
Clemson Tigers
14.)
Texas A&M Aggies
15.)
Oklahoma Sooners
16.)
USC Trojans
17.)
Northwestern Wildcats
18.)
Wisconsin Badgers
19.)
Stanford Cardinal
20.)
West Virginia Mountaineers
21.)
Oklahoma State Cowboys
22.) Arizona Wildcats
23.) California Golden Bears
24.) Florida Gators
25.) Michigan Wolverines

HEISMAN WATCH

Another week in the books, another week dominated by Leonard Fournette. The sophomore running back has established himself as the clear frontrunner for the Heisman trophy. He became the first LSU Tiger to run for back-to-back 200 yard games this past weekend. Fellow SEC RB, Nick Chubb is still in contention with his 12th consecutive 100 yard game on the ground. As long as TCU continues to win, Boykin will remain a Heisman candidate with his monster statistical performances. Guys like Ezekiel Elliot and Baker Mayfield are on the outside looking in. Mayfield had a bye in week 4, but could cement himself as a legitimate Heisman contender with a big performance against a ranked West Virginia team.

1.) Leonard Fournette, RB, LSU
2.) Nick Chubb, RB, Georgia
3.) Trevone Boykin, QB, TCU
4.) Ezekiel Elliot, RB, Ohio State
5.) Baker Mayfield, QB, Oklahoma

5 GAMES TO WATCH

#20 West Virginia @ #15 Oklahoma

The biggest game of the Big 12 season thus far matches up the two highest ranked teams in the conference (excluding #4 TCU). Both teams will play in their conference debut in the 2015 season. Oklahoma’s offense has carried them, particularly Baker Mayfield who looks to strengthen his Heisman candidacy after a historical performance in week 3. West Virginia has show good balance and have held opponents to only 23 points in three games. It should be a shootout in Norman, as high profile Big 12 matchups tend to go.

#12 Alabama @ #8 Georgia

Perhaps the biggest game of the weekend is of course a ranked SEC matchup. The Crimson Tide look to rebound in conference play after an upset loss to Ole Miss in week 3. Georgia enters the game at 4-0 and can take control of the SEC East with a victory. Even as the lower ranked team, ‘Bama enters as the favorite. Turnovers and lackadaisical play against Ole Miss is what killed them, they need to tighten up the screws against a tough Bulldogs defense. Nick Chubb against that ‘Bama D is a matchup to watch.

#5 Ole Miss @ #24 Florida

Another big, ranked SEC matchup puts the Rebels up against the upstart Florida Gators who find themselves ranked for the first time this season. Chad Kelly and Ole Miss avoided an upset this past weekend against a pesky Vanderbilt team. Florida is coming off an intense, late conference victory against Tennessee. It seems as if Will Grier has turned the corner as he finished the game in remarkable fashion for the Gators. Florida has a lot to gain in this game and can make a statement with a win. Their last three wins have been settled by an average of less than five points.

#6 Notre Dame @ #13 Clemson

Despite losing Malik Zaire in week 2, the Fighting Irish have continued rolling and are coming off an enormous victory over Massachusetts. DeShone Kizer has proved to be a reliable replacement for Zaire and has flourished in his two starts. After a week off, Deshaun Watson and Clemson should be well prepared when they take on an extremely tough Notre Dame defense. A win would clearly be huge for either team, especially with a tough schedule ahead for both of them.

#22 Arizona @ #19 Stanford

Had it not been for their week 1 loss against #17 Northwestern, the Cardinal would be a top 10 team. They opened conference play with an impressive win against a highly ranked USC team and blew out Oregon State this past week. Sitting atop the Pac-12 North at 2-0 in conference play, they have a great chance to solidify themselves as the team to beat in that division. Arizona is coming off a rough loss at home to #7 UCLA and look for redemption on the road this week. Anu Solomon left the week 4 game with a head injury, his status against Stanford is uncertain. If he is unable to play, senior Jerrard Randall will likely get the start under center. In place of Solomon, he was very ineffective through the air going 4-16, but he did showcase tremendous athletic ability. The Wildcats need Solomon to play if they want a chance to win this football game.

About The Author Jonathan Valencia

Jonathan has been investing his time in sports writing for the past decade. Breaking Football's lead writer covers anything from the NFL Draft to providing fantasy football insight. Born and raised in the Jersey Shore. Follow him on Twitter @JonValencia_WiB to talk anything football.