Not enough days in 1981 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19810512 | +001+ | 4.62 | LAN |
| 19810526 | +001+ | 5.00 | LAN |
| 19810609 | +006+ | 3.10 | LAN |
| 19810821 | +021+ | 2.39 | LAN |
| 19810904 | +006+ | 4.00 | LAN |
| 19810918 | +005+ | 5.10 | LAN |
| 19811002 | +006+ | 5.26 | LAN |
Fernando Valenzuela Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +042+ | 0.06 | 0.7 | 0 | 0 | 1 | SDN |
| +042+ | 2.35 | 63 | 2 | 8 | 0 | LAN |
| +042+ | 2.41 | 63.7 | 1.98 | 0 | 0 | TOT |
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