<Tr> <Td> Peter Grant </Td> <Td> Celtic </Td> <Td> 39 </Td> <Td> 1984--1997 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> John Greig </Td> <Td> Rangers </Td> <Td> 38 </Td> <Td> 1962--1978 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Derek Johnstone </Td> <Td> Rangers </Td> <Td> 37 </Td> <Td> 1971--1985 </Td> </Tr> <P> As of end of season 2017--18 . Any current players in bold . </P>

Players that have played for rangers and celtic