P · 17 seasons · 1991 – 2007 · B/T: R/R
Roberto Hernandez ranks 1st of 0 pitchers by career roto value, one of the highest totals the site records. The peak came in 1996, +9.1, 17th that season and 1594th of 51,303 player-seasons on record. The value came from saves (+41.9), ERA (+9.5) and WHIP (+2.0), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1991 | CWS | 9 | -2.14 | #497 | #70,891 |
| 1992 | CWS | 43 | -2.19 | #525 | #76,385 |
| 1993 | CWS | 70 | -2.18 | #553 | #74,976 |
| 1994 | CWS | 45 | -2.25 | #508 | #82,292 |
| 1995 | CWS | 60 | -2.13 | #547 | #69,853 |
| 1996 | CWS | 72 | -2.12 | #560 | #66,683 |
| 1997 | CWS | 74 | -2.10 | #534 | #65,253 |
| 1998 | TB | 67 | -2.13 | #590 | #69,621 |
| 1999 | TB | 72 | -2.15 | #602 | #71,823 |
| 2000 | TB | 68 | -2.15 | #628 | #71,471 |
| 2001 | KC | 63 | -2.13 | #621 | #68,561 |
| 2002 | KC | 53 | -2.15 | #594 | #72,185 |
| 2003 | ATL | 66 | -2.13 | #599 | #68,222 |
| 2004 | PHI | 63 | -2.12 | #583 | #67,132 |
| 2005 | NYM | 67 | -2.10 | #572 | #64,808 |
| 2006 | PIT | 68 | -2.08 | #573 | #62,707 |
| 2007★ | CLE | 50 | -2.07 | #599 | #60,533 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1991 | CWS | 9 | -2.89 | #401 | #44,117 |
| 1992 | CWS | 43 | 5.15 | #46 | #5,247 |
| 1993 | CWS | 70 | 7.51 | #28 | #2,636 |
| 1994 | CWS | 45 | 3.11 | #89 | #8,834 |
| 1995 | CWS | 60 | 5.48 | #47 | #4,779 |
| 1996★ | CWS | 72 | 9.07 | #17 | #1,594 |
| 1997 | CWS | 74 | 7.73 | #27 | #2,458 |
| 1998 | TB | 67 | 3.07 | #97 | #8,918 |
| 1999 | TB | 72 | 7.08 | #29 | #3,015 |
| 2000 | TB | 68 | 6.17 | #41 | #3,941 |
| 2001 | KC | 63 | 3.73 | #82 | #7,634 |
| 2002 | KC | 53 | 2.11 | #131 | #11,244 |
| 2003 | ATL | 66 | -1.32 | #305 | #25,385 |
| 2004 | PHI | 63 | -1.66 | #350 | #27,917 |
| 2005 | NYM | 67 | 3.06 | #111 | #8,954 |
| 2006 | PIT | 68 | -0.11 | #236 | #18,957 |
| 2007 | CLE | 50 | -2.81 | #588 | #43,325 |
★ Best season by Z