P · 6 seasons · 1998 – 2003 · B/T: R/R
Jeff Tam is the extreme version of a specialist. +1.6 of roto value came from ERA, yet his career total is only -6.5. 2000 was the high-water mark, worth +2.4, 121st that season and 10392nd of 51,303 player-seasons on record. Career value accumulated in ERA (+1.6), and drained away in strikeouts (-3.4) and saves (-0.7).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1998 | NYM | 15 | -2.17 | #837 | #74,026 |
| 1999 | NYM | 10 | -2.15 | #602 | #71,823 |
| 2000 | OAK | 72 | -2.15 | #628 | #71,471 |
| 2001 | OAK | 70 | -2.13 | #621 | #68,561 |
| 2002 | OAK | 40 | -2.15 | #594 | #72,185 |
| 2003★ | TOR | 44 | -1.99 | #520 | #51,851 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1998 | NYM | 15 | -1.99 | #341 | #31,445 |
| 1999 | NYM | 10 | -1.89 | #361 | #30,187 |
| 2000★ | OAK | 72 | 2.44 | #121 | #10,392 |
| 2001 | OAK | 70 | 0.87 | #167 | #15,107 |
| 2002 | OAK | 40 | -2.73 | #516 | #42,329 |
| 2003 | TOR | 44 | -3.20 | #557 | #46,704 |
★ Best season by Z