P · 15 seasons · 1992 – 2006 · B/T: R/R
Jeff Nelson built a career on one category: +7.5 of his +8.1 career total came from ERA. His best year was 1995: +5.4 roto value, 52nd that season and 4947th of 51,303 player-seasons on record. The value came from ERA (+7.5), WHIP (+2.2) and strikeouts (+1.2), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1992 | SEA | 66 | -2.19 | #525 | #76,385 |
| 1993 | SEA | 71 | -2.18 | #553 | #74,976 |
| 1994 | SEA | 28 | -2.25 | #508 | #82,292 |
| 1995 | SEA | 62 | -2.13 | #547 | #69,853 |
| 1996 | NYY | 73 | -2.12 | #560 | #66,683 |
| 1997 | NYY | 77 | -2.16 | #573 | #73,606 |
| 1998 | NYY | 45 | -2.17 | #837 | #74,026 |
| 1999 | NYY | 39 | -2.15 | #602 | #71,823 |
| 2000 | NYY | 73 | -2.18 | #906 | #75,435 |
| 2001 | SEA | 69 | -2.13 | #621 | #68,561 |
| 2002 | SEA | 41 | -2.15 | #594 | #72,185 |
| 2003 | SEA | 70 | -2.13 | #599 | #68,222 |
| 2004 | TEX | 29 | -2.12 | #583 | #67,132 |
| 2005 | SEA | 49 | -2.10 | #572 | #64,808 |
| 2006★ | CWS | 6 | -2.08 | #573 | #62,707 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1992 | SEA | 66 | -0.62 | #199 | #21,333 |
| 1993 | SEA | 71 | -0.40 | #197 | #20,295 |
| 1994 | SEA | 28 | -0.13 | #183 | #19,005 |
| 1995★ | SEA | 62 | 5.35 | #52 | #4,947 |
| 1996 | NYY | 73 | 0.62 | #172 | #15,956 |
| 1997 | NYY | 77 | 2.29 | #107 | #10,798 |
| 1998 | NYY | 45 | -0.44 | #228 | #20,480 |
| 1999 | NYY | 39 | -1.06 | #283 | #23,754 |
| 2000 | NYY | 73 | 3.20 | #102 | #8,653 |
| 2001 | SEA | 69 | 2.92 | #99 | #9,249 |
| 2002 | SEA | 41 | 0.00 | #208 | #18,468 |
| 2003 | SEA | 70 | 1.71 | #143 | #12,446 |
| 2004 | TEX | 29 | -1.72 | #360 | #28,436 |
| 2005 | SEA | 49 | -1.21 | #288 | #24,696 |
| 2006 | CWS | 6 | -2.36 | #480 | #36,956 |
★ Best season by Z