<Tr> <Td> Jos Buttler (RR) </Td> <Td> 18 </Td> <Td> DD </Td> <Td> 2018 </Td> </Tr> <P> Last updated: 8 April 2018 </P> <Table> <Tr> <Th> Batsman </Th> <Th> SR </Th> <Th> Span </Th> </Tr> <Tr> <Td> Russell, Andre Andre Russell (DD, KKR) </Td> <Td> 177.29 </Td> <Td> 2012--2018 </Td> </Tr> <Tr> <Td> Sunil Narine (KKR) </Td> <Td> 168.81 </Td> <Td> 2012--2018 </Td> </Tr> <Tr> <Td> Chris Morris (CSK, DD, RR) </Td> <Td> 166.66 </Td> <Td> 2013--2018 </Td> </Tr> <Tr> <Td> Rishabh Pant (DD) </Td> <Td> 162.71 </Td> <Td> 2016--2018 </Td> </Tr> <Tr> <Td> Maxwell, Glenn Glenn Maxwell (DD, KXIP, MI) </Td> <Td> 161.13 </Td> <Td> 2012--2018 </Td> </Tr> </Table> <Tr> <Th> Batsman </Th> <Th> SR </Th> <Th> Span </Th> </Tr>

Who has the highest batting average in ipl