P · 10 seasons · 1997 – 2006 · B/T: R/R
Mike DeJean is the extreme version of a specialist. +4.4 of roto value came from saves, yet his career total is only -2.2. 2002 was the high-water mark, worth +3.7, 87th that season and 7728th of 51,303 player-seasons on record. On the credit side, saves (+4.4) and ERA (+0.9). On the debit side, WHIP (-3.6) and strikeouts (-1.6).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1997 | COL | 56 | -2.14 | #557 | #70,325 |
| 1998 | COL | 59 | -2.30 | #1,021 | #87,693 |
| 1999 | COL | 57 | -2.22 | #960 | #79,176 |
| 2000 | COL | 54 | -2.21 | #984 | #78,616 |
| 2001 | MIL | 75 | -2.23 | #1,014 | #79,856 |
| 2002 | MIL | 68 | -2.19 | #879 | #75,955 |
| 2003 | MIL | 76 | -2.13 | #599 | #68,222 |
| 2004 | BAL | 54 | -2.15 | #884 | #72,662 |
| 2005 | COL | 67 | -2.10 | #572 | #64,808 |
| 2006★ | COL | 2 | -2.08 | #573 | #62,707 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1997 | COL | 55 | -0.08 | #198 | #18,802 |
| 1998 | COL | 59 | 0.18 | #195 | #17,627 |
| 1999 | COL | 56 | -4.64 | #579 | #50,725 |
| 2000 | COL | 54 | -1.01 | #286 | #23,461 |
| 2001 | MIL | 75 | 1.76 | #135 | #12,299 |
| 2002★ | MIL | 68 | 3.68 | #87 | #7,728 |
| 2003 | MIL | 76 | 2.36 | #127 | #10,594 |
| 2004 | BAL | 54 | -2.01 | #413 | #31,799 |
| 2005 | COL | 66 | -0.51 | #242 | #20,825 |
| 2006 | COL | 2 | -1.91 | #398 | #30,513 |
★ Best season by Z