Adjusted ERA+

Top 50 individual seasons in Adjusted ERA+* in Chicago Cubs history, since 1900:

Rank Year Last First W L IP ERA+ MLB
1 1906 Brown Mordecai 26 6 277.33 253 8th
2 1907 Pfiester Jack 14 9 195 216 19th
3 1907 Lundgren Carl 18 7 207 212 25th
4 1905 Reulbach Ed 18 14 291.67 209 28th
5 1902 Taylor Jack 23 11 324.67 202 32nd
6 1909 Brown Mordecai 27 9 342.67 193 45th
7 1909 Overall Orval 20 11 285 179 94th
1907 Brown Mordecai 20 6 233 179 94th
9 2003 Prior Mark 18 6 211.33 175  
10 1906 Pfiester Jack 20 8 250.67 174  
11 1920 Alexander Pete 27 14 363.33 168  
12 1963 Ellsworth Dick 22 10 290.67 167  
1919 Alexander Pete 16 11 235 167  
14 1992 Maddux Greg 20 11 268 166  
15 2004 Zambrano Carlos 16 8 209.67 165  
16 1933 Warneke Lon 18 13 287.33 163  
17 1969 Hands Bill 20 14 300 162  
18 1919 Vaughn Hippo 21 14 306.67 161  
1918 Vaughn Hippo 22 10 290.33 161  
20 1908 Brown Mordecai 29 9 312.33 160  
21 1932 Warneke Lon 22 6 277 159  
1910 Cole King 20 4 239.67 159  
1906 Reulbach Ed 19 4 218 159  
24 1977 Reuschel Rick 20 10 252 157  
25 1910 Brown Mordecai 25 14 295.33 155  
1928 Blake Sheriff 17 11 240.67 155  
27 1945 Prim Ray 13 8 165.33 152  
28 1940 Passeau Claude 20 13 280.67 149  
1952 Hacker Warren 15 9 185 149  
30 1907 Overall Orval 23 7 268.33 148  
1948 Schmitz Johnny 18 13 242 148  
1945 Passeau Claude 17 9 227 148  
33 1907 Reulbach Ed 17 4 192 147  
34 1905 Wicker Bob 13 6 178 146  
35 1917 Vaughn Hippo 23 13 295.67 144  
1938 Lee Bill 22 9 291 144  
1928 Nehf Art 13 7 176.67 144