Mark Portugal
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990-04-11 | HOU | vs. CIN | L, 5-0 | 3.1 | 7 | 5 | 4 | 2 | 1 | 19 | 4 | 0 | 0 | 4 | 2 | SP, L |
| 1990-04-17 | HOU | vs. ATL | W, 5-3 | 5.2 | 6 | 2 | 2 | 1 | 4 | 24 | 3 | 0 | 0 | 6 | 6 | SP, W |
| 1990-04-22 | HOU | @ LAD | L, 2-0 | 5.0 | 7 | 2 | 2 | 1 | 5 | 23 | 0 | 0 | 0 | 5 | 5 | SP, L |
| 1990-04-27 | HOU | vs. NYM | L, 1-0 | 8.0 | 7 | 1 | 1 | 0 | 4 | 30 | 0 | 0 | 1 | 9 | 10 | SP, L |
| 1990-05-01 | HOU | @ MON | L, 2-1 | 6.0 | 6 | 1 | 1 | 3 | 5 | 27 | 0 | 0 | 0 | 8 | 3 | SP |
| 1990-05-06 | HOU | @ NYM | L, 7-6 | 5.1 | 8 | 6 | 6 | 0 | 3 | 25 | 2 | 0 | 3 | 2 | 11 | SP |
| 1990-05-12 | HOU | @ PIT | L, 3-1 | 6.1 | 4 | 3 | 3 | 6 | 4 | 27 | 3 | 0 | 0 | 8 | 4 | SP, L |
| 1990-05-17 | HOU | vs. CHC | W, 5-4 | 8.0 | 5 | 4 | 0 | 1 | 2 | 32 | 0 | 0 | 0 | 11 | 9 | SP |
| 1990-05-27 | HOU | @ CHC | L, 11-6 | 3.0 | 9 | 6 | 6 | 1 | 0 | 20 | 0 | 0 | 1 | 7 | 2 | SP, L |
| 1990-06-01 | HOU | @ SFG | L, 6-5 | 6.0 | 1 | 3 | 3 | 2 | 6 | 21 | 0 | 0 | 1 | 9 | 3 | SP |
| 1990-06-06 | HOU | @ SDP | L, 3-2 | 8.1 | 7 | 3 | 3 | 3 | 6 | 32 | 0 | 0 | 1 | 7 | 9 | SP, L |
| 1990-06-11 | HOU | vs. LAD | W, 5-3 | 6.0 | 7 | 3 | 3 | 2 | 4 | 24 | 2 | 0 | 1 | 5 | 6 | SP |
| 1990-06-17 | HOU | @ CIN | L, 7-1 | 4.0 | 5 | 5 | 5 | 3 | 3 | 18 | 1 | 0 | 3 | 4 | 3 | SP, L |
| 1990-06-23 | HOU | vs. SFG | W, 4-2 | 8.0 | 6 | 2 | 0 | 0 | 5 | 30 | 1 | 0 | 0 | 9 | 9 | SP, W |
| 1990-06-28 | HOU | vs. SDP | W, 2-1 | 7.1 | 4 | 1 | 1 | 2 | 4 | 29 | 1 | 0 | 0 | 11 | 6 | SP |
| 1990-07-03 | HOU | @ NYM | L, 12-0 | 4.0 | 8 | 6 | 6 | 1 | 3 | 21 | 0 | 0 | 2 | 4 | 5 | SP, L |
| 1990-07-08 | HOU | @ MON | W, 5-3 | 6.0 | 5 | 2 | 2 | 4 | 5 | 26 | 1 | 0 | 1 | 7 | 5 | SP, W |
| 1990-07-16 | HOU | vs. NYM | W, 4-1 | 6.2 | 3 | 1 | 1 | 2 | 7 | 24 | 0 | 0 | 1 | 6 | 6 | SP, W |
| 1990-07-21 | HOU | vs. MON | L, 3-2 | 6.1 | 3 | 2 | 0 | 2 | 5 | 24 | 1 | 0 | 0 | 8 | 3 | SP |
| 1990-07-26 | HOU | @ SDP | L, 8-2 | 5.0 | 7 | 5 | 5 | 2 | 2 | 24 | 0 | 0 | 1 | 7 | 6 | SP, L |
| 1990-07-31 | HOU | @ SFG | L, 3-2 | 6.0 | 10 | 2 | 2 | 1 | 5 | 28 | 2 | 0 | 1 | 4 | 8 | SP |
| 1990-08-07 | HOU | vs. SFG | W, 4-0 | 7.1 | 5 | 0 | 0 | 1 | 9 | 27 | 0 | 0 | 0 | 3 | 9 | SP, W |
| 1990-08-13 | HOU | @ CHC | W, 7-2 | 9.0 | 9 | 2 | 2 | 2 | 3 | 37 | 2 | 1 | 0 | 7 | 16 | SP, W, CG |
| 1990-08-18 | HOU | @ STL | W, 3-2 | 6.0 | 4 | 2 | 1 | 2 | 3 | 23 | 0 | 0 | 0 | 8 | 4 | SP |
| 1990-08-23 | HOU | @ ATL | W, 8-3 | 6.0 | 7 | 3 | 2 | 3 | 5 | 28 | 2 | 0 | 0 | 7 | 5 | SP, W |
| 1990-08-29 | HOU | vs. CHC | W, 1-0 | 7.0 | 8 | 0 | 0 | 4 | 9 | 32 | 1 | 0 | 0 | 7 | 3 | SP, W |
| 1990-09-04 | HOU | @ LAD | W, 10-8 | 2.0 | 7 | 7 | 7 | 2 | 0 | 15 | 0 | 0 | 2 | 5 | 1 | SP |
| 1990-09-09 | HOU | @ SFG | L, 5-1 | 7.1 | 5 | 3 | 3 | 0 | 4 | 27 | 1 | 0 | 1 | 9 | 9 | SP, L |
| 1990-09-14 | HOU | vs. SFG | W, 2-1 | 6.0 | 4 | 1 | 1 | 5 | 4 | 26 | 1 | 0 | 0 | 5 | 7 | SP, W |
| 1990-09-19 | HOU | vs. CIN | W, 5-2 | 7.1 | 4 | 2 | 2 | 1 | 5 | 28 | 0 | 0 | 1 | 7 | 8 | SP, W |
| 1990-09-24 | HOU | vs. LAD | L, 7-5 | 7.1 | 6 | 3 | 3 | 2 | 6 | 30 | 0 | 0 | 0 | 7 | 9 | SP |
| 1990-09-30 | HOU | vs. ATL | W, 6-2 | 7.0 | 3 | 2 | 2 | 6 | 5 | 30 | 0 | 0 | 0 | 10 | 3 | SP, W |
| Total Games: 32 | ||||||||||||||||