NEW YORK -- Arkansas has taken the second-largest fall out of the AP college football poll, dropping from eighth to unranked after losing to Louisiana-Monroe.

The Razorbacks were upset 34-31 in overtime after losing quarterback Tyler Wilson to an injury. The only team to take a more drastic fall from the poll was Michigan in 2007. The Wolverines opened the season at No. 5 and dropped out after a Week 1 loss to Appalachian State.

Alabama remains No. 1. Southern California is No. 2, followed by LSU and Oregon. Florida State moved into a tie for fifth with Oklahoma. Georgia is No. 7.

Arkansas was one of four teams to drop out after losses, along with Nebraska, Wisconsin and Oklahoma State.

Moving in were UCLA, Tennessee, Arizona and BYU.

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  • Kiehl Frazier, Preston Smith

    Mississippi State defensive lineman Preston Smith (91) strips Auburn quarterback Kiehl Frazier (10) of the ball in the fourth quarter of their NCAA college football game in Starkville, Miss., Saturday, Sept. 8, 2012. Mississippi State won 28-10. (AP Photo/Rogelio V. Solis)

  • Nick Jones, Leonard Paulk

    South Carolina wide receiver Nick Jones, left, and East Carolina defensive back Leonard Paulk, right, dive for a pass from South Carolina quarterback Dylan Thompson during first half of their NCAA college football game in Columbia, S.C., Saturday, Sept. 8, 2012. (AP Photo/Brett Flashnick)

  • Andy Vailas, Spencer Reeves

    New Hampshire quarterback Andy Vailas, left, gets off a pass before being hit by Minnesota linebacker Spencer Reeves, right, during the fourth quarter of an NCAA college football game, Saturday, Sept. 8, 2012, in Minneapolis. Minnesota won 44-7.(AP Photo/Tom Olmscheid)

  • DeAndre Hopkins (6) celebrates a touchdown during the first half of an NCAA college football game against Ball State Saturday, Sept. 8, 2012 at Memorial Stadium in Clemson S.C. (AP Photo/ Richard Shiro)

  • Texas A&M's Trey Williams (20) and De'Vante Harris (1) get ready an NCAA college football game against Florida, Saturday, Sept. 8, 2012, in College Station, Texas. Texas A&M begins a new era with its first Southeastern Conference game after leaving the Big 12 Conference. (AP Photo/Dave Einsel)

  • Clemson wide receiver DeAndre Hopkins pulls in a reception for a touchdown while being covered by Ball state's Jason Pinkston in the first half of an NCAA college football game Saturday, Sept. 8, 2012 at Memorial Stadium in Clemson S.C. (AP Photo/ Richard Shiro)

  • Willie the Wildcat

    Kansas State mascot Willie the Wildcat leads motorcycles around the field before an NCAA college football game between Miami and Kansas State in Manhattan, Kan., Saturday, Sept. 8, 2012. (AP Photo/Orlin Wagner)

  • Dominic Appiah, C.J. Jones

    Boston College defensive lineman Dominic Appiah (95) celebrates with C.J. Jones (6) after the Maine fumbled on a punt near the Boston College end zone during the first half of an NCAA college football game at Alumni Stadium in Boston, Saturday, Sept. 8, 2012. At left are Maine's Joe Hook (75) and Josh Spearin (74). (AP Photo/Mary Schwalm)

  • Urban Meyer

    Ohio State head coach Urban Meyer gestures against Central Florida during the third quarter of an NCAA college football game, Saturday, Sept. 8, 2012, in Columbus, Ohio. Ohio State won 31-16. (AP Photo/Jay LaPrete)

  • Ethan Douglas, Collin Klein, Vaughn Telemaque

    Kansas State quarterback Collin Klein (7) looks for an official's call after crossing the goal line past Miami defensive back Vaughn Telemaque (7) during the second half of an NCAA college football game in Manhattan, Kan., Saturday, Sept. 8, 2012. Kansas State offensive linesman Ethan Douglas (71) begins to celebrate on the play. (AP Photo/Orlin Wagner)

  • Dylan Thompson, Mike Davis

    South Carolina quarterback Dylan Thompson, right, and and tailback Mike Davis, left, take the field prior to their NCAA college football game against East Carolina in Columbia, S.C., Saturday, Sept. 8, 2012. (AP Photo/Brett Flashnick)

  • Braxton Miller

    Ohio State's Braxton Miller breaks away from Central Florida players on his way to a touchdown during the first quarter of an NCAA college football game Saturday, Sept. 8, 2012, in Columbus, Ohio. (AP Photo/Jay LaPrete)

  • Spiffy Evans

    Boston College wide receiver Spiffy Evans (7) reacts as he scores a touchdown on a punt return against Maine during the second half of an NCAA college football game at Alumni Stadium in Boston, Saturday, Sept. 8, 2012. At right is Kevin Pierre-Louis (24). Boston College won 34-3. (AP Photo/Mary Schwalm)

  • Will Muschamp

    Florida coach Will Muschamp encourages his defense during the first quarter of an NCAA college football game against Texas A&M, Saturday, Sept. 8, 2012, in College Station, Texas. Texas A&M begins a new era with its first Southeastern Conference game after leaving the Big 12 Conference. (AP Photo/David J. Phillip)

  • David Amerson, Camden Wentz

    North Carolina State's David Amerson, left and Camden Wentz celebrate late in the second half of North Carolina's 10-7 victory over Connecticut in their NCAA college football game in East Hartford, Conn., on Saturday, Sept. 8, 2012. (AP Photo/Fred Beckham)

  • Clemson's mascot, the Tiger, does pushups after Clemson scored a touchdown in the second half of an NCAA college football game against Ball State Saturday, Sept. 8, 2012 at Memorial Stadium in Clemson S.C. Clemson won 52-27. (AP Photo/ Richard Shiro)

  • The field and stands are empty after the NCAA college football game between Southern California and Syracuse was halted because of storms, Saturday, Sept. 8, 2012, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

  • Jeremi Wilkes, Keon Lyn, Silas Redd

    Syracuse free safety Jeremi Wilkes (28) and cornerback Keon Lyn tackle Southern California tailback Silas Redd during the first quarter of an NCAA college football game Saturday, Sept. 8, 2012, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

  • Jake Ryan, Dontae Strickland

    Michigan linebacker Jake Ryan (47) dives toward Air Force wide receiver Dontae Strickland (20) as a pass to him falls incomplete in the fourth quarter of an NCAA college football game, Saturday, Sept. 8, 2012, in Ann Arbor, Mich. Michigan won 31-25. (AP Photo/Tony Ding)

  • AJ McCarron

    Alabama quarterback AJ McCarron (10) looks for a receiver in he second half of an NCAA college football game against Western Kentucky at Bryant Denny Stadium in Tuscaloosa, Ala., Saturday, Sept. 8, 2012. (AP Photo/Dave Martin)

  • Braylon Heard, Devin Lucien

    Nebraska cornerback Braylon Heard, right, breaks up a pass intended for UCLA wide receiver Devin Lucien during the first half of their NCAA college football game, Saturday, Sept. 8, 2012, in Pasadena, Calif. (AP Photo/Mark J. Terrill)

  • Connor Norman, Marcus Lucas

    Missouri wide receiver Marcus Lucas, right, runs past Georgia safety Connor Norman on his way to the end zone after catching a 41-yard pass for a touchdown during the second quarter of an NCAA college football game Saturday, Sept. 8, 2012, in Columbia, Mo. (AP Photo/L.G. Patterson)

  • UNLV running back Tim Cornett scores a 42-yard touchdown against Northern Arizona in the first quarter of an NCAA college football game at Sam Boyd Stadium Saturday, Sept. 8, 2012. (AP Photo/Las Vegas Review-Journal, David Cleveland)

  • Oklahoma State head coach Mike Gundy signals for fourth down against Arizona at the end of the first quarter of an NCAA college football game at Arizona Stadium in Tucson, Ariz., Sat., Sept. 8, 2012. (AP Photo/Wily Low)

  • Stepfan Taylor

    Stanford running back Stepfan Taylor (33), bottom, is tackled by a group of Duke defenders during the first half of an NCAA college football game in Stanford, Calif., Saturday, Sept. 8, 2012. (AP Photo/Marcio Jose Sanchez)

  • Rich Rodriguez

    Arizona's head coach Rich Rodriguez, center, talks to his players on the sidelines during a timeout against Oklahoma State the first half of an NCAA college football game at Arizona Stadium in Tucson, Ariz., Saturday, Sept. 8, 2012. (AP Photo/John Miller)

  • Levin Toilolo, David Yankey

    Stanford tight end Levine Toilolo (11), right, celebrates his touchdown reception with David Yankey (54) during the second half of an NCAA college football game in Stanford, Calif., Saturday, Sept. 8, 2012. (AP Photo/Marcio Jose Sanchez)

  • Houston running back Charles Sims (5) is hit by Louisiana Tech linebacker Rufus Porter (46) as he dives across the goal line for a 1-yard touchdown run during the fourth quarter of their NCAA college football game at Robertson Stadium, Saturday, Sept. 8, 2012, in Houston. Louisiana Tech won 56-49. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT

  • Hugh Freeze

    Mississippi coach Hugh Freeze waits to lead his team onto the field for an NCAA college football game in Oxford, Miss., Saturday, Sept. 8, 2012. (AP Photo/Austin McAfee)

  • Marlon Brown

    Georgia's Marlon Brown holds up a sign following Georgia's 41-20 victory over Missouri in an NCAA college football game Saturday, Sept. 8, 2012, in Columbia, Mo. (AP Photo/L.G. Patterson)

  • Joe Bergeron

    Texas' Joe Bergeron, top, is lifted by teammates as they celebrate a touchdown during the fourth quarter of an NCAA college football game against New Mexico, Saturday, Sept. 8, 2012, in Austin, Texas. Texas won 45-0. (AP Photo/Eric Gay)

  • Martin Stadium

    Martin Stadium is filled for Washington State's home-opener NCAA college football game against Eastern Washington, Saturday, Sept. 8, 2012, in Pullman, Wash. Washington State won 24-20. (AP Photo/Dean Hare)

  • Troy vs. ULL Football

    Troy's Shawn Southward (20) stiff-arms Louisiana-Lafayette's Emeka Onyenekwu (45) during an NCAA college football game in Troy, Ala. on Saturday, Sept. 8, 2012. (AP Photo/The Dothan Eagle, Max Oden)

  • Kolton Browning, JeRon Hamm, Jon Fisher

    Louisiana Monroe quarterback Kolton Browning, center, celebrates with teammates Je'Ron Hamm (86) and Jon Fisher (78) after Browning scored the winning overtime touchdown to defeat Arkansas 34-31 in an NCAA college football game in Little Rock, Ark., Saturday, Sept. 8, 2012. (AP Photo/Danny Johnston)

  • Zach Ertz

    Stanford tight end Zach Ertz makes a 43-yard reception against Duke during the first half of an NCAA college football game in Stanford, Calif., Saturday, Sept. 8, 2012. (AP Photo/Marcio Jose Sanchez)

  • James Madison's Dae'Quan Scott dives into the end zone on a 10-yard pass touchdown pass from Justin Thorpe as Alcorn State's Marcquiso Jean tries to block during the second quarter of an NCAA college football game at Bridgeforth Stadium/Zane Showker Field Saturday, Sept. 8, 2012. (AP Photo/The Daily News-Record, Michael Reilly)

  • Venric Mark

    Northwestern's Venric Mark (5) celebrates a touchdown against Vanderbilt during the second half of an NCAA college football game on Saturday, Sept. 8, 2012, in Evanston, Ill. Northwestern defeated Vanderbilt 23-13. (AP Photo/Jim Prisching)

  • Kenny Stills, Brandon Hepburn

    Oklahoma wide receiver Kenny Stills catches a pass in front of Florida A&M linebacker Brandon Hepburn (52) in the first quarter of an NCAA college football game in the Gaylord Family Memorial Stadium in Norman, Okla., Saturday, Sept. 8, 2012. Oklahoma won 69-13. (AP Photo/Sue Ogrocki)