Jim Nelson was 4-2 with an ERA of 3.42 and 42 strikeouts in 15 appearances in his rookie season in 1970.
Games
| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Nelson | 8/10/1970 | 1970 |  PIT | vs |  NYM | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.2 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 11 | 0 | |
| 2 | | J. Nelson | 8/8/1970 | 1970 | PIT | vs | NYM | 0 | 3.38 | 2 | 0 | 0 | 0 | 2.2 | 4 | 1 | 3 | 0 | 4 | 0 | 0 | 0 | 14 | 1 | |
| 3 | | J. Nelson | 8/3/1970 | 1970 | PIT | @ |  MON | 0 | 0.00 | 0 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 12 | 1 | |
| 4 | | J. Nelson | 7/31/1970 | 1970 | PIT | @ |  ATL | L | 1 | 10.80 | 0 | 0 | 0 | 0 | 1.2 | 4 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| 5 | | J. Nelson | 7/26/1970 | 1970 | PIT | vs |  HOU | 1 | 4.50 | 5 | 0 | 0 | 0 | 6.0 | 7 | 3 | 4 | 1 | 2 | 0 | 0 | 1 | 27 | 0 | |
| 6 | | J. Nelson | 7/21/1970 | 1970 | PIT | @ | HOU | L | 1 | 4.50 | 6 | 0 | 0 | 0 | 6.0 | 6 | 3 | 3 | 1 | 2 | 1 | 0 | 0 | 25 | 0 |
| 7 | | J. Nelson | 7/17/1970 | 1970 | PIT | vs |  CIN | 1 | 9.00 | 0 | 0 | 0 | 0 | 3.0 | 5 | 3 | 3 | 0 | 2 | 0 | 0 | 1 | 16 | 0 | |
| 8 | | J. Nelson | 7/10/1970 | 1970 | PIT | @ |  STL | 1 | 2.45 | 4 | 0 | 0 | 0 | 7.1 | 6 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 30 | 0 | |
| 9 | | J. Nelson | 7/6/1970 | 1970 | PIT | @ |  PHI | W | 1 | 9.00 | 5 | 0 | 0 | 0 | 5.0 | 6 | 5 | 5 | 3 | 3 | 0 | 0 | 0 | 23 | 0 |
| 10 | | J. Nelson | 7/3/1970 | 1970 | PIT | @ |  CHC | 1 | 45.00 | 1 | 0 | 0 | 0 | 1.0 | 5 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | |
| 11 | | J. Nelson | 6/28/1970 | 1970 | PIT | vs | CHC | W | 1 | 1.13 | 2 | 0 | 0 | 0 | 8.0 | 6 | 1 | 1 | 0 | 5 | 1 | 0 | 1 | 33 | 0 |
| 12 | | J. Nelson | 6/22/1970 | 1970 | PIT | vs | STL | W | 1 | 0.00 | 5 | 1 | 1 | 0 | 10.0 | 6 | 0 | 0 | 0 | 5 | 0 | 0 | 2 | 40 | 0 |
| 13 | | J. Nelson | 6/15/1970 | 1970 | PIT | @ |  LAD | W | 1 | 1.29 | 5 | 0 | 0 | 0 | 7.0 | 5 | 1 | 2 | 0 | 3 | 0 | 0 | 0 | 29 | 0 |
| 14 | | J. Nelson | 6/4/1970 | 1970 | PIT | vs | LAD | 0 | 0.00 | 2 | 0 | 0 | 0 | 3.0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 10 | 0 | |
| 15 | | J. Nelson | 5/30/1970 | 1970 | PIT | vs |  SFG | 0 | 0.00 | 4 | 0 | 0 | 0 | 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Total | 10 | 3.42 | 42 | 1 | 1 | 0 | 68.1 | 64 | 26 | 32 | 5 | 38 | 3 | 1 | 5 | 298 | 2 |
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