<Tr> <Td> Consecutive game hitting streak </Td> <Td> Joe DiMaggio </Td> <Td> 56 </Td> <Td> 1941 </Td> <Td> </Td> </Tr> <Tr> <Td> Most at - bats </Td> <Td> Jimmy Rollins </Td> <Td> 716 </Td> <Td> 2007 </Td> <Td> </Td> </Tr> <Table> <Tr> <Th> Record </Th> <Th> Player </Th> <Th> #</Th> </Tr> <Tr> <Td> Most wins </Td> <Td> Cy Young </Td> <Td> 511 </Td> </Tr> <Tr> <Td> Most losses </Td> <Td> Cy Young </Td> <Td> 316 </Td> </Tr> <Tr> <Td> Lowest E.R.A. </Td> <Td> Ed Walsh </Td> <Td> 1.82 </Td> </Tr> <Tr> <Td> Most no - hitters </Td> <Td> Nolan Ryan </Td> <Td> 7 </Td> </Tr> <Tr> <Td> Most strikeouts </Td> <Td> Nolan Ryan </Td> <Td> 5,714 </Td> </Tr> <Tr> <Td> Most shutouts </Td> <Td> Walter Johnson </Td> <Td> 110 </Td> </Tr> <Tr> <Td> Most pickoffs </Td> <Td> Steve Carlton </Td> <Td> 144 </Td> </Tr> <Tr> <Td> Most innings pitched </Td> <Td> Cy Young </Td> <Td> 7,354 2⁄3 </Td> </Tr> <Tr> <Td> Most hit batsmen </Td> <Td> Gus Weyhing </Td> <Td> 278 </Td> </Tr> <Tr> <Td> Most home runs allowed </Td> <Td> Jamie Moyer </Td> <Td> 522 </Td> </Tr> <Tr> <Td> Most complete games </Td> <Td> Cy Young </Td> <Td> 749 </Td> </Tr> <Tr> <Td> Lowest WHIP </Td> <Td> Addie Joss </Td> <Td>. 968 </Td> </Tr> <Tr> <Td> Most saves </Td> <Td> Mariano Rivera </Td> <Td> 652 </Td> </Tr> <Tr> <Td> Highest win--loss percentage </Td> <Td> Spud Chandler </Td> <Td> 71.7% </Td> </Tr> <Tr> <Td> Most games </Td> <Td> Jesse Orosco </Td> <Td> 1,252 </Td> </Tr> <Tr> <Td> Most consecutive scoreless innings pitched </Td> <Td> Orel Hershiser </Td> <Td> 59 </Td> </Tr> </Table> <Tr> <Th> Record </Th> <Th> Player </Th> <Th> #</Th> </Tr>

Most strikeouts for a pitcher in a season