<Table> <Tr> <Th> Year </Th> <Th> Coach </Th> <Th> Opponent </Th> <Th> Score </Th> <Th> Site </Th> <Th> Overall Record </Th> <Th> Big Ten Record </Th> </Tr> <Tr> <Td> 1989 </Td> <Td> Steve Fisher </Td> <Td> Seton Hall </Td> <Td> 80 -- 79 ( OT ) </Td> <Td> Seattle </Td> <Td> 30 -- 7 </Td> <Td> 12 -- 6 </Td> </Tr> <Tr> <Td colspan="6"> National Championships </Td> <Td colspan="1"> </Td> </Tr> </Table>
when did michigan last win a national championship
1989