<Table> <Tr> <Th_colspan="2"> 2017 NCAA Division I FBS season </Th> </Tr> <Tr> <Th> Number of teams </Th> <Td> 129 + 1 transitional </Td> </Tr> <Tr> <Th> Duration </Th> <Td> August 26, 2017--December 9, 2017 </Td> </Tr> <Tr> <Th> Preseason AP No. 1 </Th> <Td> Alabama Crimson Tide </Td> </Tr> <Tr> <Th_colspan="2"> Post-season </Th> </Tr> <Tr> <Th> Duration </Th> <Td> December 16, 2017--January 8, 2018 </Td> </Tr> <Tr> <Th> Bowl games </Th> <Td> 40 </Td> </Tr> <Tr> <Th> AP Poll No. 1 </Th> <Td> Alabama Crimson Tide </Td> </Tr> <Tr> <Th> Coaches Poll No. 1 </Th> <Td> Alabama Crimson Tide </Td> </Tr> <Tr> <Th> Heisman Trophy </Th> <Td> Baker Mayfield, Oklahoma </Td> </Tr> <Tr> <Th_colspan="2"> College Football Playoff </Th> </Tr> <Tr> <Td_colspan="2"> College Football Playoff National Championship </Td> </Tr> <Tr> <Th> Site </Th> <Td> Mercedes - Benz Stadium Atlanta, Georgia </Td> </Tr> <Tr> <Th> Winner </Th> <Td> Alabama Crimson Tide </Td> </Tr> <Tr> <Th_colspan="2"> Division I FBS football seasons </Th> </Tr> <Tr> <Td_colspan="2"> ← 2016 2018 → </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 2017 NCAA Division I FBS season </Th> </Tr>

How many teams are in the ncaa fbs
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