MLB Single-Season (Post 1900) Pitching Leaders - Earned Runs Allowed
PLAYERYRGGSCGSHIPHERBBSOWLSVERA
1Bobo Newsom19384440310329.2334186192226201615.08
2Snake Wiltse19023835310302.03971729265151915.13
3Dickie Kerr19214437253308.23571629680191714.72
4Jack Knott1936472390192.2272156936091767.29
5Guy Bush19304625110225.02911558675151036.20
6Ray Kremer19303938181276.03661546358201205.02
7Wes Ferrell19373735260281.0325153122123141904.90
8Pat Caraway19315132111220.026815210155102426.22
9Joe McGinnity19014843391382.04121519675262013.56
10George Uhle19235444291357.2378150102109261653.77
PLAYERYRGGSCGSHIPHERBBSOWLSVERA
11Bump Hadley19324335131248.1261149171145142125.40
12Phil Niekro19774443202330.1315148164262162004.03
13Bobo Newsom19374137171275.1269147167166161404.81
 Robin Roberts19564337221297.132814740157191834.45
15George Earnshaw19304939203296.0299146139193221324.44
 Sam Gray19314337130258.03231465488112425.09
17Pedro Astacio1998353400209.124514574170131406.23
 Jose Lima2000333300196.12511456812471606.65
 Harry Byrd19534037112236.2279145115122112005.51
 Bill Phillips19013736291281.136414567109141804.64
PLAYERYRGGSCGSHIPHERBBSOWLSVERA
 Herm Wehmeier19504132120230.0255145135121101845.67
22Jimmie Deshong19373734200264.129014412486141514.90
 Nels Potter1939412590196.1258144886081226.60
24Les Sweetland1930342581167.0271143603671507.71
 Ray Benge19303829140225.23051438170111515.70
 Al Orth19023837361324.03671434076191803.97
 Rube Walberg19324134193272.030514310396171014.73
28Mickey Lolich19744141273308.031014278202162104.15
 Jack Powell19003837283287.23251427777171604.44
30Pete Dowling19014334312306.0340141118124122614.15
PLAYERYRGGSCGSHIPHERBBSOWLSVERA
 Milt Gaston19273730210254.027514110077131715.00
 Vern Kennedy19363534201274.12821411479921904.63
 Claude Passeau19375034181292.134814179135141824.34
 Bill Reidy19013733282301.13641416250162004.21
35Darryl Kile1999323210190.222514010911681306.61
 Wes Ferrell19363938283301.0330140119106201504.19
 Chick Fraser19014037352331.0344140132110221603.81
38Jim Bibby19744141115264.0255139113149191904.74
 Ray Benge1929382792199.02551397778111546.29
 Bill Carrick19023130280257.23441397236111704.86
PLAYERYRGGSCGSHIPHERBBSOWLSVERA
 Jack Russell19303530150229.2302139533592005.45
42Burleigh Grimes19253331190246.230513810273121905.04
 Bump Hadley19334536192316.2309138141149152033.92
 Vern Kennedy19403432180222.126313812270121705.59
 Gordon Rhodes19363528131216.12661381026192015.74
 Wilbur Wood19734948214359.138113891199242003.46
47Joe Coleman19744141112285.2272137158177141204.32
 Burleigh Grimes19223634181259.03241378499171414.76
 Alex Kellner19503629150225.12531371128582025.47
 Vern Kennedy19393731131212.22541371246492005.80