<Tr> <Td> Fullback </Td> <Td> 4.80 </Td> </Tr> <Tr> <Td> Inside linebacker </Td> <Td> 4.80 </Td> </Tr> <Tr> <Td> Quarterback </Td> <Td> 4.87 </Td> </Tr> <Tr> <Td> Defensive end </Td> <Td> 4.88 </Td> </Tr>

Who has the fastest 40 yard dash in nfl