Some of the dreaded cameos have stuffed up the leaderboards, so the notes at the end highlight the actual leaders as needed.
R: Devon White (144, 2018)
SB: Joseph Macke (101, 1902)
W: Joe Horlen (28, 1919)
L: Norohiro Hamada (42, 2018)
things had gone a bit crazy by then, ergo it being the final season...
SHO: Joe Horlen (9, 1919)
K: Randy Johnson (335, 1919)
WAR: Jose Fernandez (12.44, 1917)