The 1931 roster for the Cubs included Charlie Root at pitcher, Gabby Hartnett at catcher, Charlie Grimm at first baseman, Rogers Hornsby at second baseman and Billy Jurges at third baseman.
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Adair | SS | 5'11" | 154 | 1/25/1907 | 24 | Waxahachie, TX | |
| 2 | | E. Baecht | P | 6'3" | 195 | 5/15/1907 | 24 | Paden, OK | |
| 3 | | V. Barton | OF | 6'0" | 180 | 2/1/1908 | 23 | Edmonton, Canada | |
| 4 | | L. Bell | 3B | 5'11" | 165 | 12/14/1901 | 29 | Harrisburg, PA | |
| 5 | | F. Blair | 2B | 6'1" | 180 | 7/13/1900 | 30 | Enterprise, OK | |
| 6 | | S. Blake | P | 6'0" | 180 | 9/17/1899 | 31 | Ansted, WV | |
| 7 | | G. Bush | P | 6'0" | 175 | 8/23/1901 | 29 | Aberdeen, MS | |
| 8 | | K. Cuyler | OF | 5'11" | 180 | 8/30/1898 | 32 | Harrisville, MI | |
| 9 | | W. English | SS | 5'10" | 155 | 3/2/1906 | 25 | Fredonia, OH | |
| 10 | | E. Grace | C | 6'0" | 175 | 2/24/1907 | 24 | Barlow, KY | |
| 11 | | C. Grimm | 1B | 6'0" | 173 | 8/28/1898 | 32 | St. Louis, MO | |
| 12 | | G. Hartnett | C | 6'1" | 195 | 12/20/1900 | 30 | Woonsocket, RI | |
| 13 | | R. Hemsley | C | 5'10" | 170 | 6/24/1907 | 24 | Syracuse, OH | |
| 14 | | B. Herman | 2B | 5'11" | 180 | 7/7/1909 | 21 | New Albany, IN | |
| 15 |  | R. Hornsby | 2B | 5'11" | 175 | 4/27/1896 | 35 | Winters, TX | |
| 16 | | B. Jurges | 3B | 5'11" | 175 | 5/9/1908 | 23 | Bronx, NY | |
| 17 | | M. Kreevich | OF | 5'8" | 168 | 6/10/1908 | 23 | Mount Olive, IL | |
| 18 | | P. Malone | P | 6'0" | 200 | 9/25/1902 | 28 | Altoona, PA | |
| 19 | | J. May | P | 5'8" | 178 | 11/25/1895 | 35 | Youngsville, NC | |
| 20 | | J. Moore | OF | 5'11" | 175 | 3/23/1902 | 29 | Waterville, CT | |
| 21 | | C. Root | P | 5'11" | 190 | 3/17/1899 | 32 | Middletown, OH | |
| 22 | | B. Smith | P | 5'10" | 175 | 4/22/1895 | 36 | Rogersville, TN | |
| 23 | | R. Stephenson | OF | 5'10" | 185 | 1/5/1898 | 33 | Akron, AL | |
| 24 | | L. Sweetland | P | 6'0" | 155 | 8/15/1901 | 29 | St.Ignace, MI | |
| 25 | | D. Taylor | OF | 5'10" | 190 | 12/23/1900 | 30 | Lash, PA | |
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