Jack Armstrong
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991-04-13 | CIN | vs. ATL | L, 7-5 | 2.0 | 4 | 5 | 5 | 2 | 2 | 12 | 1 | 0 | 1 | 0 | 4 | SP, L |
| 1991-04-19 | CIN | @ ATL | W, 8-3 | 7.0 | 5 | 3 | 3 | 1 | 4 | 26 | 0 | 0 | 3 | 6 | 10 | SP, W |
| 1991-04-24 | CIN | @ HOU | L, 1-0 | 8.0 | 5 | 0 | 0 | 1 | 8 | 29 | 0 | 0 | 0 | 5 | 9 | SP |
| 1991-05-04 | CIN | vs. STL | W, 3-1 | 6.0 | 4 | 1 | 1 | 4 | 6 | 23 | 0 | 0 | 0 | 4 | 5 | SP, W |
| 1991-05-12 | CIN | @ CHC | W, 5-3 | 7.0 | 7 | 3 | 2 | 1 | 5 | 28 | 2 | 0 | 1 | 5 | 9 | SP, W |
| 1991-05-18 | CIN | vs. SDP | L, 5-2 | 5.2 | 9 | 5 | 5 | 4 | 9 | 29 | 0 | 0 | 0 | 1 | 6 | SP, L |
| 1991-05-23 | CIN | vs. SFG | W, 6-2 | 9.0 | 4 | 2 | 2 | 1 | 5 | 32 | 0 | 0 | 1 | 9 | 12 | SP, W, CG |
| 1991-05-28 | CIN | @ SFG | L, 6-2 | 5.1 | 8 | 5 | 5 | 0 | 1 | 22 | 0 | 1 | 1 | 7 | 4 | SP, L |
| 1991-06-02 | CIN | @ LAD | L, 4-1 | 5.0 | 6 | 3 | 1 | 1 | 2 | 22 | 2 | 0 | 0 | 5 | 6 | SP, L |
| 1991-06-07 | CIN | vs. PHI | L, 5-4 | 6.1 | 11 | 5 | 5 | 2 | 2 | 31 | 0 | 1 | 2 | 8 | 7 | SP, L |
| 1991-06-12 | CIN | @ MON | L, 10-9 | 2.0 | 8 | 6 | 6 | 3 | 1 | 16 | 2 | 1 | 0 | 1 | 3 | SP |
| 1991-06-17 | CIN | @ NYM | L, 10-6 | 3.0 | 6 | 2 | 2 | 3 | 3 | 18 | 0 | 0 | 1 | 1 | 5 | RP |
| 1991-06-22 | CIN | vs. MON | L, 7-4 | 5.1 | 6 | 5 | 5 | 2 | 4 | 24 | 2 | 0 | 2 | 5 | 7 | SP, L |
| 1991-06-27 | CIN | vs. SDP | W, 3-0 | 5.2 | 2 | 0 | 0 | 4 | 4 | 23 | 2 | 0 | 0 | 4 | 9 | SP, W |
| 1991-07-02 | CIN | @ ATL | W, 6-3 | 7.0 | 4 | 2 | 2 | 1 | 4 | 25 | 0 | 0 | 2 | 6 | 10 | SP, W |
| 1991-07-06 | CIN | @ HOU | L, 3-0 | 5.0 | 2 | 3 | 3 | 2 | 4 | 19 | 1 | 0 | 1 | 1 | 10 | SP, L |
| 1991-07-12 | CIN | vs. PIT | L, 7-2 | 5.0 | 9 | 6 | 6 | 2 | 3 | 24 | 2 | 0 | 1 | 4 | 5 | SP, L |
| 1991-07-17 | CIN | vs. STL | L, 6-5 | 4.2 | 7 | 6 | 5 | 4 | 2 | 22 | 1 | 0 | 2 | 5 | 4 | SP, L |
| 1991-07-23 | CIN | @ CHC | L, 8-5 | 0.2 | 1 | 0 | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 1 | 1 | RP |
| 1991-07-26 | CIN | @ STL | L, 5-1 | 2.0 | 3 | 1 | 1 | 1 | 3 | 8 | 1 | 0 | 0 | 1 | 0 | RP |
| 1991-08-03 | CIN | vs. SFG | L, 7-3 | 5.0 | 6 | 7 | 7 | 2 | 2 | 23 | 1 | 0 | 4 | 7 | 5 | SP, L |
| 1991-09-08 | CIN | @ MON | L, 4-2 | 6.0 | 9 | 4 | 3 | 0 | 4 | 27 | 1 | 1 | 0 | 8 | 5 | SP, L |
| 1991-09-13 | CIN | vs. HOU | W, 13-2 | 7.0 | 5 | 2 | 2 | 0 | 3 | 26 | 2 | 0 | 1 | 6 | 12 | SP, W |
| 1991-09-18 | CIN | @ SFG | L, 7-2 | 6.0 | 6 | 4 | 4 | 3 | 1 | 28 | 1 | 0 | 0 | 7 | 10 | SP, L |
| 1991-09-25 | CIN | @ ATL | L, 2-1 | 7.0 | 6 | 1 | 1 | 4 | 7 | 30 | 1 | 0 | 1 | 5 | 7 | SP |
| 1991-09-30 | CIN | vs. ATL | L, 4-0 | 4.2 | 7 | 4 | 4 | 3 | 2 | 24 | 1 | 0 | 0 | 1 | 10 | SP, L |
| 1991-10-05 | CIN | @ SDP | L, 10-7 | 2.1 | 8 | 5 | 5 | 1 | 2 | 15 | 1 | 0 | 1 | 2 | 2 | SP |
| Total Games: 27 | ||||||||||||||||