<Tr> <Td> 2 . </Td> <Td> Wladimir Klitschko </Td> <Td> 25 </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> Muhammad Ali </Td> <Td> 22 </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> Larry Holmes </Td> <Td> 20 </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> Lennox Lewis </Td> <Td> 15 </Td> </Tr>

Who has won the most heavyweight boxing championships