P · 10 seasons · 1913 – 1923 · B/T: L/L
Few careers score higher: Harry Harper sits 1st of 0 pitchers all-time in roto value, built over 10 seasons. The peak came in 1918, +6.4, 16th that season and 3698th of 51,303 player-seasons on record. The value came from strikeouts (+6.1), ERA (+1.7) and wins (+0.6). It leaked back out through WHIP (-4.2).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1913★ | WS1 | 4 | -2.14 | #463 | #70,667 |
| 1914 | WS1 | 23 | -2.26 | #464 | #84,343 |
| 1915 | WS1 | 19 | -3.06 | #790 | #109,012 |
| 1916 | WS1 | 36 | -2.32 | #401 | #89,371 |
| 1917 | WS1 | 31 | -2.97 | #571 | #108,338 |
| 1918 | WS1 | 36 | -3.13 | #611 | #109,464 |
| 1919 | WS1 | 35 | -2.57 | #532 | #101,720 |
| 1920 | BOS | 27 | -2.71 | #741 | #105,006 |
| 1921 | NYY | 8 | -2.53 | #662 | #100,550 |
| 1923 | BRO | 1 | -2.39 | #614 | #94,457 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1913 | WS1 | 4 | -1.84 | #139 | #29,696 |
| 1914 | WS1 | 23 | -0.45 | #116 | #20,504 |
| 1915 | WS1 | 19 | 1.60 | #80 | #12,762 |
| 1916 | WS1 | 36 | 3.44 | #40 | #8,201 |
| 1917 | WS1 | 31 | -0.83 | #99 | #22,410 |
| 1918★ | WS1 | 35 | 6.40 | #16 | #3,698 |
| 1919 | WS1 | 35 | -2.39 | #171 | #37,569 |
| 1920 | BOS | 27 | 0.65 | #84 | #15,834 |
| 1921 | NYY | 8 | -1.02 | #131 | #23,509 |
| 1923 | BRO | 1 | -2.79 | #285 | #43,136 |
★ Best season by Z