<Tr> <Th> In operation </Th> <Td> 2014--present </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> BCS (1998--2013) Bowl Alliance (1995--1997) Bowl Coalition (1992--1994) </Td> </Tr> <Tr> <Th> Number of playoff games </Th> <Td> 3 (championship game, 2 semifinal games) </Td> </Tr> <Tr> <Th> Championship trophy </Th> <Td> College Football Playoff National Championship Trophy </Td> </Tr>

When do the first college football playoff rankings