what ncaa teams are still undefeated?
['Alabama. The Crimson Tide is currently ranked No. 1 in the AP Poll Top 25. ... ', 'LSU. The LSU Tigers are currently No. ... ', 'Ohio State. The Buckeyes are ranked No. ... ', 'Clemson. The Clemson Tigers are ranked No. ... ', 'Oklahoma. The Sooners are No. ... ', 'Penn State. They are currently No. ... ', 'SMU. The Mustangs are No. ... ', 'Baylor. The Bears are at No.']