<Tr> <Td>. 763 </Td> <Td> 116 </Td> <Td> 36 </Td> <Td> 1906 </Td> <Td> Chicago Cubs </Td> <Td> best 154 - game NL season </Td> </Tr> <Tr> <Td>. 721 </Td> <Td> 111 </Td> <Td> 43 </Td> <Td> 1954 </Td> <Td> Cleveland Indians </Td> <Td> best 154 - game AL season </Td> </Tr> <Tr> <Td>. 716 </Td> <Td> 116 </Td> <Td> 46 </Td> <Td> </Td> <Td> Seattle Mariners </Td> <Td> best 162 - game AL season </Td> </Tr> <Tr> <Td>. 667 </Td> <Td> 108 </Td> <Td> 54 </Td> <Td> </Td> <Td> Cincinnati Reds </Td> <Td> best 162 - game NL season </Td> </Tr>

How to work out win percentage in football