P · 14 seasons · 1904 – 1917 · B/T: R/R
Ed Walsh ranks 1st of 0 pitchers by career roto value, one of the highest totals the site records. His 1912 was the best any pitcher managed that year and the 2nd best on record, worth +25.1. He finished as the best pitcher in the game five times. The value came from WHIP (+30.9), ERA (+28.1) and strikeouts (+21.1), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1904 | CWS | 18 | -2.01 | #189 | #52,292 |
| 1905 | CWS | 29 | -2.93 | #403 | #107,916 |
| 1906 | CWS | 42 | -2.86 | #470 | #107,204 |
| 1907 | CWS | 57 | -2.09 | #236 | #63,203 |
| 1908 | CWS | 66 | -1.77 | #236 | #46,030 |
| 1909★ | CWS | 32 | -1.36 | #231 | #40,297 |
| 1910 | CWS | 52 | -1.57 | #254 | #42,785 |
| 1911 | CWS | 63 | -1.76 | #308 | #45,804 |
| 1912 | CWS | 62 | -1.55 | #288 | #42,539 |
| 1913 | CWS | 17 | -2.39 | #607 | #94,260 |
| 1914 | CWS | 10 | -2.77 | #768 | #105,953 |
| 1915 | CWS | 5 | -2.33 | #476 | #90,789 |
| 1916 | CWS | 2 | -2.35 | #420 | #91,924 |
| 1917 | BSN | 4 | -2.37 | #382 | #93,556 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1904 | CWS | 18 | 0.79 | #45 | #15,379 |
| 1905 | CWS | 22 | 1.03 | #44 | #14,538 |
| 1906 | CWS | 41 | 10.12 | #4 | #1,081 |
| 1907 | CWS | 56 | 16.50 | #1 | #101 |
| 1908 | CWS | 66 | 24.08 | #1 | #5 |
| 1909 | CWS | 31 | 10.08 | #7 | #1,094 |
| 1910 | CWS | 45 | 22.66 | #1 | #7 |
| 1911 | CWS | 56 | 18.65 | #1 | #40 |
| 1912★ | CWS | 62 | 25.06 | #1 | #2 |
| 1913 | CWS | 16 | 0.79 | #67 | #15,354 |
| 1914 | CWS | 8 | -1.84 | #161 | #29,651 |
| 1915 | CWS | 3 | -1.06 | #136 | #23,772 |
| 1916 | CWS | 2 | -2.54 | #167 | #39,699 |
| 1917 | BSN | 4 | -3.02 | #188 | #45,392 |
★ Best season by Z