<Tr> <Th> Brown, Greg Greg Brown </Th> <Td> Secondary </Td> <Td> UTEP </Td> <Td> 2013 </Td> </Tr> <Tr> <Th> Burns, Burton Burton Burns </Th> <Td> Running backs </Td> <Td> Nebraska </Td> <Td> 2007--present </Td> </Tr> <Tr> <Th> Cignetti, Curt Curt Cignetti </Th> <Td> Wide receivers </Td> <Td> West Virginia </Td> <Td> 2007--2010 </Td> </Tr> <Tr> <Th> Cristobal, Mario Mario Cristobal </Th> <Td> Offensive line </Td> <Td> Miami </Td> <Td> 2013--2016 </Td> </Tr>

When is the last time alabama has been shut out