Jack Armstrong
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990-04-11 | CIN | @ HOU | W, 5-0 | 6.0 | 3 | 0 | 0 | 1 | 5 | 23 | 0 | 0 | 0 | 6 | 7 | SP, W |
| 1990-04-16 | CIN | @ ATL | W, 5-3 | 7.0 | 5 | 1 | 1 | 0 | 3 | 26 | 1 | 0 | 0 | 5 | 12 | SP, W |
| 1990-04-21 | CIN | vs. ATL | W, 8-1 | 6.0 | 5 | 1 | 1 | 1 | 7 | 24 | 1 | 0 | 0 | 6 | 5 | SP, W |
| 1990-04-28 | CIN | vs. MON | W, 6-4 | 6.2 | 8 | 4 | 2 | 3 | 5 | 31 | 5 | 0 | 0 | 4 | 10 | SP, W |
| 1990-05-03 | CIN | @ NYM | W, 5-0 | 7.2 | 4 | 0 | 0 | 2 | 3 | 29 | 1 | 0 | 0 | 7 | 13 | SP, W |
| 1990-05-09 | CIN | @ PIT | L, 6-2 | 5.0 | 9 | 4 | 4 | 0 | 2 | 22 | 1 | 1 | 0 | 7 | 4 | SP, L |
| 1990-05-14 | CIN | vs. PIT | W, 5-3 | 6.0 | 7 | 3 | 3 | 4 | 2 | 29 | 0 | 0 | 0 | 7 | 9 | SP, W |
| 1990-05-19 | CIN | vs. STL | W, 4-0 | 9.0 | 4 | 0 | 0 | 2 | 3 | 34 | 0 | 0 | 0 | 11 | 12 | SP, W, CG, SHO |
| 1990-05-25 | CIN | @ MON | W, 5-0 | 8.0 | 3 | 0 | 0 | 0 | 7 | 27 | 1 | 0 | 0 | 5 | 9 | SP, W |
| 1990-05-31 | CIN | @ LAD | L, 2-1 | 8.1 | 5 | 1 | 1 | 4 | 5 | 35 | 2 | 0 | 0 | 6 | 10 | SP |
| 1990-06-05 | CIN | @ SFG | L, 6-1 | 6.2 | 4 | 3 | 3 | 3 | 5 | 27 | 0 | 1 | 0 | 7 | 7 | SP, L |
| 1990-06-10 | CIN | @ HOU | L, 4-2 | 6.1 | 6 | 4 | 2 | 2 | 9 | 27 | 2 | 2 | 1 | 5 | 3 | SP, L |
| 1990-06-15 | CIN | vs. HOU | W, 6-3 | 7.2 | 9 | 3 | 3 | 2 | 7 | 34 | 2 | 0 | 0 | 5 | 11 | SP, W |
| 1990-06-20 | CIN | @ ATL | W, 9-8 | 3.2 | 6 | 6 | 2 | 2 | 3 | 19 | 1 | 0 | 1 | 6 | 2 | SP |
| 1990-06-25 | CIN | vs. SFG | W, 5-2 | 8.0 | 4 | 2 | 2 | 1 | 6 | 29 | 0 | 0 | 1 | 7 | 10 | SP, W |
| 1990-06-30 | CIN | @ NYM | W, 7-4 | 5.2 | 8 | 4 | 4 | 3 | 1 | 28 | 3 | 0 | 1 | 1 | 14 | SP |
| 1990-07-05 | CIN | @ PHI | W, 9-2 | 7.0 | 5 | 1 | 1 | 1 | 5 | 27 | 0 | 0 | 1 | 10 | 6 | SP, W |
| 1990-07-14 | CIN | vs. NYM | L, 6-3 | 3.1 | 6 | 5 | 5 | 1 | 1 | 17 | 1 | 0 | 0 | 2 | 5 | SP, L |
| 1990-07-19 | CIN | vs. PHI | L, 5-2 | 6.0 | 7 | 3 | 3 | 2 | 2 | 29 | 0 | 1 | 1 | 8 | 8 | SP, L |
| 1990-07-24 | CIN | @ SDP | L, 10-0 | 4.2 | 9 | 7 | 7 | 2 | 3 | 23 | 3 | 0 | 0 | 5 | 3 | SP, L |
| 1990-07-29 | CIN | @ SFG | L, 4-0 | 8.0 | 8 | 4 | 4 | 2 | 8 | 35 | 2 | 0 | 1 | 7 | 7 | SP, L, CG |
| 1990-08-03 | CIN | vs. SDP | L, 3-2 | 7.0 | 5 | 2 | 2 | 3 | 5 | 25 | 3 | 0 | 0 | 5 | 7 | SP |
| 1990-08-09 | CIN | vs. LAD | L, 10-3 | 0.2 | 5 | 5 | 5 | 2 | 0 | 9 | 0 | 0 | 1 | 2 | 0 | SP, L |
| 1990-08-14 | CIN | @ STL | W, 9-4 | 6.0 | 5 | 2 | 1 | 3 | 4 | 28 | 0 | 1 | 0 | 11 | 3 | SP, W |
| 1990-08-19 | CIN | vs. PIT | L, 6-3 | 6.0 | 8 | 5 | 5 | 7 | 2 | 32 | 1 | 0 | 1 | 6 | 8 | SP, L |
| 1990-08-24 | CIN | @ PIT | W, 4-3 | 5.0 | 3 | 2 | 2 | 5 | 1 | 20 | 0 | 0 | 0 | 2 | 9 | SP |
| 1990-09-18 | CIN | vs. SFG | L, 5-3 | 1.2 | 0 | 0 | 0 | 1 | 2 | 6 | 0 | 0 | 0 | 2 | 0 | RP |
| 1990-09-30 | CIN | vs. SDP | L, 3-0 | 1.0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 1 | RP |
| 1990-10-02 | CIN | vs. HOU | W, 3-2 | 2.0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 0 | 4 | SP |
| 1990-10-17 | CIN | vs. OAK | W, 5-4 | 3.0 | 1 | 0 | 0 | 0 | 3 | 10 | 0 | 0 | 0 | 4 | 2 | RP |
| Total Games: 30 | ||||||||||||||||