<Tr> <Td> 1960 </Td> <Td> Mickey Mantle </Td> <Td> 40 </Td> <Td> New York Yankees </Td> <Td> Roger Maris </Td> <Td> 39 </Td> <Td> </Td> </Tr> <Tr> <Td> 1961 </Td> <Td> Roger Maris </Td> <Td> 61 </Td> <Td> New York Yankees </Td> <Td> Mickey Mantle </Td> <Td> 54 </Td> <Td> </Td> </Tr> <Tr> <Td> 1962 </Td> <Td> Harmon Killebrew </Td> <Td> 48 </Td> <Td> Minnesota Twins </Td> <Td> Norm Cash </Td> <Td> 39 </Td> <Td> </Td> </Tr> <Tr> <Td> 1963 </Td> <Td> Harmon Killebrew </Td> <Td> 45 </Td> <Td> Minnesota Twins </Td> <Td> Dick Stuart </Td> <Td> 42 </Td> <Td> </Td> </Tr>

Who led the american league in home runs