SS · 8 seasons · 1973 – 1980 · B/T: R/R
Mario Guerrero is 1st of 0 hitters in career roto value, a top-tier career by any lens the site offers. No season of his scores higher than 1978, at +1.8, 190th that season and 22899th of 111,420 player-seasons on record. Career value accumulated in RBI (+0.9) and runs (+0.4), and drained away in home runs (-3.1), stolen bases (-2.1) and batting average (-0.8).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | BOS | 66 | -1.54 | #323 | #42,392 |
| 1974 | BOS | 93 | -0.67 | #278 | #34,503 |
| 1975 | STL | 64 | -1.65 | #334 | #43,930 |
| 1976 | CAL | 83 | 0.34 | #222 | #28,720 |
| 1977 | CAL | 86 | -0.12 | #260 | #31,075 |
| 1978★ | OAK | 143 | 1.78 | #190 | #22,899 |
| 1979 | OAK | 46 | -2.02 | #397 | #54,563 |
| 1980 | OAK | 116 | -0.85 | #315 | #35,820 |
★ Best season by Z