<P> Craig Pawson became the first referee in English football to watch a video recording at the sideline in the fourth round tie between Liverpool and West Bromwich Albion on 27 January 2018 . After delaying the match for nearly three minutes he awarded a penalty to Liverpool . </P> <P> Premier League side Arsenal were the defending champions, but they were eliminated by Nottingham Forest in the third round on 7 January 2018 . It was the earliest exit by the title holders since 2011--12 . </P> <Table> <Tr> <Th> Round </Th> <Th> Clubs remaining </Th> <Th> Clubs involved </Th> <Th> Winners from previous round </Th> <Th> New entries this round </Th> <Th> Leagues entering at this round </Th> </Tr> <Tr> <Td> First Round Proper </Td> <Td> 124 </Td> <Td> 80 </Td> <Td> 32 </Td> <Td> 48 </Td> <Td> EFL League One EFL League Two </Td> </Tr> <Tr> <Td> Second Round Proper </Td> <Td> 84 </Td> <Td> 40 </Td> <Td> 40 </Td> <Td> none </Td> <Td> none </Td> </Tr> <Tr> <Td> Third Round Proper </Td> <Td> 64 </Td> <Td> 64 </Td> <Td> 20 </Td> <Td> 44 </Td> <Td> Premier League EFL Championship </Td> </Tr> <Tr> <Td> Fourth Round Proper </Td> <Td> 32 </Td> <Td> 32 </Td> <Td> 32 </Td> <Td> none </Td> <Td> none </Td> </Tr> <Tr> <Td> Fifth Round Proper </Td> <Td> 16 </Td> <Td> 16 </Td> <Td> 16 </Td> <Td> none </Td> <Td> none </Td> </Tr> <Tr> <Td> Quarter - finals </Td> <Td> 8 </Td> <Td> 8 </Td> <Td> 8 </Td> <Td> none </Td> <Td> none </Td> </Tr> <Tr> <Td> Semi-finals </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> none </Td> <Td> none </Td> </Tr> <Tr> <Td> Final </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> none </Td> <Td> none </Td> </Tr> </Table> <Tr> <Th> Round </Th> <Th> Clubs remaining </Th> <Th> Clubs involved </Th> <Th> Winners from previous round </Th> <Th> New entries this round </Th> <Th> Leagues entering at this round </Th> </Tr>

When do championship teams enter the fa cup
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