MLB Pitching Leaders - 1966 - Earned Run Average
PLAYERYRSGGSCGSHIPHERBBSOWLSVERA
1Sandy Koufax124141275323.0241627731727901.73
2Gary Peters143027114204.21564545129121001.98
3Mike Cuellar153828111227.11935652175121022.22
4Juan Marichal163736254307.1228763622225602.23
5Jim Bunning174341165314.02608455252191412.41
6Joe Horlen12372942211.01855753124101312.43
7Bob Gibson173535205280.12107678225211202.44
8Steve Hargan12382173192.01735345132131002.48
9Al Jackson103630113232.2222654590131502.51
10Jim Perry17332581184.1149525312211702.54
PLAYERYRSGGSCGSHIPHERBBSOWLSVERA
11Tommy John263433105223.01956557138141102.62
12Jim Kaat254141193304.22719355205251302.75
13Luis Tiant19461675155.01214850145121182.79
14Sonny Siebert123432111241.0193756216316812.80
 Jim Maloney123232105224.2174709021616802.80
16Claude Osteen18393883240.12387665137171402.85
17Sam McDowell15352885194.1130621022259832.87
18Bobby Bolin133634104224.11747270143111012.89
19Lew Krausse12362241177.214459638714932.99
 Don Sutton23373562225.21927552209121202.99
PLAYERYRSGGSCGSHIPHERBBSOWLSVERA
 Gaylord Perry223635133255.2242854020121802.99
22Bob Veale133837123268.122890102229161203.02
23Earl Wilson113837133264.02149074200181103.07
24Dean Chance114137112259.220689114180121713.08
25Dave Boswell8282181169.1120596517312503.14
26Dave McNally14343351213.0212756415813603.17
27Larry Dierker14292882187.0173664510810803.18
28Dennis Ribant63926101188.118467408411933.20
29Nelson Briles14491700154.0162555410041563.21
30Gary Bell124037120254.12119179194141503.22
PLAYERYRSGGSCGSHIPHERBBSOWLSVERA
31Mudcat Grant143535103249.02489049110131303.25
32Larry Jaster7262165151.212455459211503.26
33Lee Stange10362192169.11576246858903.30
 Ken Johnson133231112215.2213794610514803.30
35Fritz Peterson113432112215.0196794096121103.31
 Bucky Brandon7401752157.212958701018823.31
 George Brunet15413282212.018378106148131303.31
38Larry Jackson143835125255.02579462112151503.32
 Fergie Jenkins19611221184.115068521506853.32
40Pete Richert13363470245.21969269195141403.37
PLAYERYRSGGSCGSHIPHERBBSOWLSVERA
41Don Drysdale144040113273.227910445177131603.42
42Jim Palmer19303060208.11768091147151003.46
 Mike McCormick16413283216.01938351101111403.46
44Chris Short154239194272.025710768177201003.54
45Al Downing17303010200.01787979152101103.56
46Jose Santiago8352871172.01557058119121323.66
47Jack Fisher113833102230.02299454127111403.68
48Denny Lemaster112727103171.0170714113911803.74
49Ray Washburn10272641170.018371449811903.76
50Ken Holtzman15343390220.21949368171111603.79