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College Football Playoff Bubble Watch: Breaking down every conference

Only three weeks into the season, Notre Dame and Clemson have dropped out of the playoff picture with two losses each. According to the Allstate Playoff Predictor, Notre Dame (0-2) now has a 6% chance of reaching the College Football Playoff. Clemson (1-2) has a 4% chance.

That makes room for somebody else.

Below you'll find one team in the spotlight for each of the Power 4 leagues and another identified as an enigma. We've also tiered schools into three groups. Teams with "Would be in" status are featured in this week's top 12 projection, a snapshot of what the selection committee's ranking would look like if it were released today. A team with "Work to do" is passing the eye test (for the most part) and has a chance at winning its conference, which would mean a guaranteed spot in the playoff. And a team that "Would be out" is playing in the shadows of the playoff -- for now.

The 13-member selection committee doesn't always agree with the Allstate Playoff Predictor, so the following categories are based on historical knowledge of the group's tendencies plus what each team has done to date.

Reminder: This will change week-to-week as each team builds -- or busts -- its résumé.

Jump to a conference:
ACC | Big 12 | Big Ten
SEC | Independent | Group of 5

SEC

Spotlight: Texas. In the latest top 12 projection, the No. 12 Longhorns would be out of the playoff to make room for projected American champion South Florida. Let that sink in for a minute: The most hyped team in America this preseason is now projected to watch the playoff from home. ESPN Analytics gives Texas the fourth-best chance to reach the SEC championship game (26%) behind Georgia, Ole Miss and Alabama. The Longhorns' season-opening road loss to Ohio State isn't the problem -- it's the product on the field. Quarterback Arch Manning has a QBR of 49.6, No. 88 in the country. He completed 44% of his passes against UTEP on Saturday and threw an interception in the end zone. It's not just Manning. Penalties. Third-down conversions. Red zone efficiency (or lack thereof). ESPN's FPI projects Texas will win each of its remaining games except the Nov. 15 trip to Georgia. If that comes to fruition, and Texas finishes as a two-loss SEC team without a conference title, the Longhorns will likely be in the selection committee's top 12. Whether they are seeded in the playoff, though, depends on if they can improve enough to be ranked in the top 10, where there's no danger of getting knocked out in favor of the fourth- and fifth-highest-ranked conference champions that might be ranked outside of the top 12.

The enigma: Ole Miss. The Rebels have won back-to-back SEC games against Kentucky and Arkansas, and now have the second-best chance to reach the conference championship game behind Georgia, according to ESPN Analytics. They also have the fourth-best chance (60.1%) to reach the playoff behind Ohio State, Georgia and Oregon, but they're about to get into the heart of their most difficult stretch. Ole Miss might have a sneaky tricky game on Saturday when it hosts Tulane, which is competing for a playoff spot and would get a huge résumé boost from beating the Rebels on the road. If the Rebels win, they'd have a critical head-to-head win against what could be the American champs, which would keep them ahead of the Green Wave on Selection Day. There's no break after that before hosting LSU on Sept. 27. ESPN's FPI projects Ole Miss will win each of its remaining games, though, except for the Oct. 18 trip to Georgia. If that unfolds, and the Rebels have wins against Tulane, LSU and Oklahoma, they should be in the playoff -- and possibly see Georgia again in the SEC title game.

If the playoff were today

Would be in: Georgia, LSU, Oklahoma, Tennessee, Texas A&M

Work to do: Alabama, Auburn, Mississippi State, Missouri, Ole Miss, Texas, Vanderbilt

Would be out: Arkansas, Florida, Kentucky, South Carolina

Big Ten

Spotlight: Illinois. The Illini are here for a second straight week because at No. 11 in the weekly prediction, they'd get elbowed out during the playoff seeding process for projected Big 12 champ Iowa State. The Cyclones would be guaranteed a spot as one of the committee's five highest-ranked conference champions, but because they are ranked outside of the top 12 -- along with projected American champ South Florida -- the teams ranked No. 11 and No. 12 would be replaced. Illinois has a huge opportunity looming Saturday at Indiana, where it can further assert itself as a contender in both the Big Ten and the playoff conversation. Indiana, which was featured in this space as last week's enigma, is also 3-0 with a shot to return to the CFP for a second straight season under coach Curt Cignetti. If Illinois wins, its chance to reach the Big Ten title game will increase to 14%. If the Illini lose, that drops to 3%. According to ESPN Analytics, Indiana has a 62.8% chance to win the game. It's the start of a season-defining stretch for Illinois, as ESPN Analytics projects it will lose three of its next four games (at Indiana, Sept. 27 vs. USC and Oct. 11 vs. Ohio State).

The enigma: USC. ESPN's computers like the Trojans, projecting USC to win every game except for its Nov. 22 trip to Oregon. USC has quietly been winning in the shadows of the Big Ten favorites -- Ohio State, Penn State and Oregon -- but it avoids both the Buckeyes and Nittany Lions during the regular season. That doesn't mean its schedule is easy. USC travels to Illinois, hosts Michigan and travels to rival Notre Dame on Oct. 18 -- a team that is under enormous pressure to win out. If the computers are right, though, and USC is undefeated heading into Autzen to face the Ducks in the regular-season finale, the Big Ten narrative could get flipped in Lincoln Riley's fourth season. According to the Allstate Playoff Predictor, USC has the fifth-best chance in the country to reach the CFP (57.9%).

If the playoff were today

Would be in: Ohio State, Oregon, Penn State

Work to do: Illinois, Indiana, Michigan, Nebraska, USC

Would be out: Iowa, Maryland, Michigan State, Minnesota, Northwestern, Purdue, Rutgers, UCLA, Washington, Wisconsin

ACC

Spotlight: Georgia Tech. Following its win against Clemson, Georgia Tech now has the second-best chance to reach the ACC title game (39.9%) behind Miami (67.8%). ESPN Analytics projects the Jackets will win each of their remaining games except for the regular-season finale against rival Georgia -- a playoff team they pushed to eight overtimes last year. With two September wins against Power 4 teams Colorado and Clemson, Georgia Tech isn't flying under the radar, but it still falls under the "more work to do" category below because its best wins came against teams that are now 1-2. If Georgia Tech wins the ACC, it's a playoff lock, but if it doesn't -- and its only two losses are to Georgia and whatever ranked opponent it faces in the ACC title game (Florida State or Miami?) -- the committee will have a debate about the two-loss ACC runner-up. Georgia Tech's number of wins against ranked opponents depends on if Clemson can get itself together. The Yellow Jackets currently have the 63rd-toughest remaining schedule, according to ESPN Analytics. They don't play the ACC's toughest teams -- Miami, Florida State or SMU. Speaking of the Mustangs ...

The enigma: SMU. The Mustangs have a much more difficult path to the playoff than last year. SMU already lost a tough, double-overtime home game to Baylor in Week 2. Beyond that, it has two wins against Missouri State (a 1-2 Conference USA team) and FCS opponent East Texas A&M (0-2). So, the picture is still blurry for last year's ACC runner-up. It will get much clearer on Saturday at TCU, a game that will create separation for the winner with a head-to-head nonconference tiebreaker. ESPN Analytics gives TCU a 67.4% chance to win, and if SMU goes 2-2 in September, a second straight playoff appearance will be highly unlikely. A Mustangs victory on Saturday, though, could wind up being one of the better nonconference wins of the season and help SMU compete for an at-large spot. It still plays Clemson and Miami during the regular season, and ESPN Analytics gives SMU less than a 50% chance to win each of those games.

If the playoff were today

Would be in: Florida State, Miami

Work to do: Cal, Georgia Tech, Louisville, SMU

Would be out: Boston College, Duke, North Carolina, NC State, Pitt, Stanford, Syracuse, Virginia, Virginia Tech, Wake Forest

Big 12

Spotlight: Iowa State. The Cyclones are still hanging on here, but by only a thread after a choppy performance against Arkansas State. Iowa State was clinging to a 17-16 lead in the fourth quarter before adding a late touchdown, and its position on the bubble is similarly precarious. ESPN Analytics gives the Cyclones the sixth-best chance to reach the Big 12 title game (15.3%), but here's the thing -- there are seven teams in the Big 12 with at least a 10% chance to play for the conference title. Iowa State continues to lead the league in the weekly projection because its wins against Iowa and a beleaguered K-State team are still better than what the other contenders have on their résumés. At least so far. The Cyclones have a week off before hosting Arizona.

The enigma: Utah. Iowa State is leading the résumé debate, but Utah and Texas Tech have looked like the better teams against weaker competition. We'll learn which to take more seriously Saturday when they play each other. According to ESPN Analytics, Utah currently has the best chance to make the Big 12 title game (40.1%) and win the league (24.6%). Saturday, though, will be the Utes' first real test. Utah's wins have come against a UCLA team that just fired its head coach, Cal Poly and Wyoming. But the Utes have scored at least 30 points in each game while allowing no more than 10. If Utah beats the Red Raiders, it will have a much-needed cushion for a tricky road trip to BYU on Oct. 18. If Utah wins the Big 12, it will lock up a playoff spot, but if the Utes have two losses and no title, they'll have a difficult time impressing the committee with the rest of their schedule.

If the playoff were today

Would be in: Iowa State

Work to do: Arizona, Baylor, BYU, Houston, TCU, Texas Tech, UCF, Utah

Would be out: Kansas State, West Virginia, Oklahoma State, Colorado, Cincinnati, Arizona State, Kansas

Independent

Would be out: Notre Dame. Following an 0-2 start, the Irish dropped out of the most recent top 12 prediction. The Irish no longer control their playoff path; they need to win out and get some help from other contenders losing. It's not impossible, but it's more difficult as an independent. Notre Dame doesn't have the chance to earn a guaranteed spot as a conference champion, so it has to impress the committee with its 12-game season. And its two best chances against ranked opponents are already lost. Notre Dame's chances of reaching the playoff dropped to 6% after its home loss to Texas A&M.

Group of 5

Spotlight: South Florida. The Allstate Playoff Predictor likes Memphis, giving the Tigers the best chance of any Group of 5 team to reach the playoff (27.5%), but the selection committee doesn't look ahead. It looks back, and so far, South Florida's wins against Boise State and Florida still trump what any other Group of 5 contender has on its résumé. It didn't help that South Florida lost at Miami in convincing fashion, but the Bulls don't have to beat the Canes to reach the playoff -- they have to win the American. This will settle itself on the field when South Florida plays at Memphis on Oct. 25, but the Bulls don't play Tulane during the regular season. And the Green Wave might be the biggest threat to South Florida's place in the playoff conversation.

The enigma: Tulane. The Green Wave have a chance to usurp South Florida as the Group of 5's top playoff contender Saturday at Ole Miss. If Tulane can knock off a top-15 SEC team to add to wins against Northwestern and Duke, the Green Wave will have the best résumé in the Group of 5. Tulane also travels to Memphis on a Friday night (Nov. 7). ESPN Analytics projects those two teams will meet in the American championship game, with Tulane having the second-best chance to win the conference (21.5%). Where it gets interesting is if the Green Wave don't -- and their only loss is in the conference championship game. No other Group of 5 team would have as strong a case for an at-large bid without a conference title as Tulane because no Group of 5 contender has a more difficult game than Tulane's trip to Ole Miss. ESPN Analytics gives the Rebels an 86.8% chance to win. That result would make winning the league imperative for the Green Wave.