<Tr> <Td> Most earned runs allowed </Td> <Td> John Coleman </Td> <Td> 291 </Td> <Td> 1883 </Td> </Tr> <P> (if different from all - time records) </P> <Table> <Tr> <Th> Record </Th> <Th> Player </Th> <Th> #</Th> <Th> Season </Th> </Tr> <Tr> <Td> Most wins </Td> <Td> Jim Bagby, Sr . Lefty Grove Denny McLain </Td> <Td> 31 </Td> <Td> 1920 1931 1968 </Td> </Tr> <Tr> <Td> Most losses </Td> <Td> Paul Derringer </Td> <Td> 27 </Td> <Td> 1933 </Td> </Tr> <Tr> <Td> Most strikeouts </Td> <Td> Nolan Ryan </Td> <Td> 383 </Td> <Td> 1973 </Td> </Tr> <Tr> <Td> Most shutouts </Td> <Td> Bob Gibson </Td> <Td> 13 </Td> <Td> 1968 </Td> </Tr> <Tr> <Td> Most innings pitched </Td> <Td> Wilbur Wood </Td> <Td> 376.2 </Td> <Td> 1972 </Td> </Tr> <Tr> <Td> Most complete games </Td> <Td> Bob Feller </Td> <Td> 36 </Td> <Td> 1946 </Td> </Tr> <Tr> <Td> Most hits allowed </Td> <Td> George Uhle </Td> <Td> 378 </Td> <Td> 1923 </Td> </Tr> <Tr> <Td> Most earned runs allowed </Td> <Td> Bobo Newsom </Td> <Td> 186 </Td> <Td> 1938 </Td> </Tr> </Table> <Tr> <Th> Record </Th> <Th> Player </Th> <Th> #</Th> <Th> Season </Th> </Tr>

Mlb most wins in a season pitcher modern era