Juan Guzman
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999-04-07 | BAL | vs. TBD | L, 8-5 | 3.1 | 8 | 6 | 6 | 2 | 1 | 19 | 0 | 1 | 0 | 2 | 6 | SP, L |
| 1999-04-13 | BAL | @ NYY | L, 6-3 | 6.0 | 5 | 2 | 2 | 3 | 4 | 25 | 1 | 1 | 1 | 6 | 7 | SP |
| 1999-04-18 | BAL | @ TOR | L, 6-0 | 4.2 | 5 | 5 | 5 | 2 | 5 | 21 | 0 | 0 | 2 | 1 | 7 | SP, L |
| 1999-04-23 | BAL | vs. OAK | W, 7-4 | 6.0 | 6 | 2 | 2 | 2 | 7 | 26 | 2 | 0 | 2 | 4 | 7 | SP |
| 1999-04-28 | BAL | vs. KCR | L, 8-2 | 3.1 | 8 | 6 | 6 | 1 | 5 | 19 | 1 | 0 | 1 | 3 | 1 | SP, L |
| 1999-05-05 | BAL | vs. CHW | W, 8-0 | 7.0 | 6 | 0 | 0 | 3 | 6 | 30 | 1 | 0 | 0 | 5 | 8 | SP, W |
| 1999-05-10 | BAL | @ CLE | L, 6-4 | 7.0 | 7 | 5 | 5 | 3 | 7 | 31 | 1 | 0 | 2 | 3 | 11 | SP, L |
| 1999-05-15 | BAL | @ TEX | L, 8-1 | 4.0 | 2 | 1 | 1 | 1 | 4 | 14 | 1 | 0 | 0 | 3 | 3 | SP |
| 1999-05-22 | BAL | vs. TEX | L, 8-7 | 6.0 | 4 | 3 | 3 | 5 | 2 | 27 | 0 | 0 | 1 | 7 | 9 | SP |
| 1999-05-27 | BAL | @ ANA | W, 6-3 | 6.0 | 3 | 1 | 1 | 6 | 4 | 25 | 2 | 0 | 0 | 4 | 8 | SP, W |
| 1999-06-01 | BAL | @ SEA | W, 14-11 | 4.0 | 5 | 4 | 4 | 5 | 4 | 22 | 2 | 0 | 0 | 4 | 2 | SP |
| 1999-06-06 | BAL | vs. PHI | L, 11-7 | 5.0 | 9 | 1 | 1 | 2 | 2 | 22 | 3 | 0 | 0 | 3 | 6 | SP |
| 1999-06-12 | BAL | @ ATL | W, 5-0 | 9.0 | 6 | 0 | 0 | 2 | 3 | 31 | 0 | 0 | 0 | 14 | 6 | SP, W, CG, SHO |
| 1999-06-17 | BAL | @ CHW | L, 9-3 | 6.1 | 9 | 7 | 5 | 3 | 4 | 33 | 2 | 0 | 2 | 5 | 9 | SP, L |
| 1999-06-23 | BAL | vs. BOS | L, 5-0 | 5.2 | 4 | 2 | 2 | 4 | 9 | 27 | 0 | 1 | 1 | 5 | 3 | SP, L |
| 1999-06-29 | BAL | @ TOR | L, 6-5 | 7.0 | 7 | 5 | 1 | 3 | 6 | 32 | 0 | 0 | 1 | 6 | 7 | SP |
| 1999-07-04 | BAL | @ NYY | W, 7-3 | 6.0 | 7 | 3 | 3 | 2 | 8 | 27 | 3 | 0 | 1 | 3 | 7 | SP, W |
| 1999-07-09 | BAL | @ PHI | L, 4-2 | 6.0 | 4 | 2 | 2 | 7 | 4 | 28 | 2 | 0 | 0 | 5 | 8 | SP, L |
| 1999-07-18 | BAL | vs. NYM | L, 8-6 | 5.0 | 7 | 5 | 5 | 5 | 3 | 25 | 1 | 0 | 1 | 4 | 6 | SP, L |
| 1999-07-23 | BAL | vs. ANA | W, 1-0 | 8.0 | 6 | 0 | 0 | 2 | 4 | 31 | 0 | 0 | 0 | 9 | 10 | SP, W |
| 1999-07-29 | BAL | vs. TEX | L, 3-1 | 7.1 | 6 | 3 | 3 | 2 | 3 | 29 | 0 | 0 | 3 | 7 | 11 | SP, L |
| 1999-08-05 | CIN | vs. COL | L, 2-1 | 8.0 | 8 | 2 | 2 | 3 | 4 | 34 | 2 | 0 | 0 | 8 | 11 | SP, L |
| 1999-08-10 | CIN | @ PIT | W, 6-1 | 7.0 | 4 | 1 | 1 | 2 | 7 | 28 | 0 | 0 | 1 | 4 | 9 | SP, W |
| 1999-08-16 | CIN | vs. PIT | W, 9-2 | 7.0 | 5 | 2 | 2 | 0 | 3 | 26 | 0 | 0 | 2 | 4 | 14 | SP, W |
| 1999-08-21 | CIN | vs. MON | W, 9-3 | 9.0 | 8 | 3 | 3 | 1 | 8 | 34 | 2 | 0 | 1 | 9 | 8 | SP, W, CG |
| 1999-08-26 | CIN | @ MON | W, 10-4 | 7.0 | 8 | 4 | 3 | 2 | 4 | 30 | 2 | 0 | 1 | 11 | 4 | SP, W |
| 1999-08-31 | CIN | vs. ATL | L, 8-2 | 5.0 | 9 | 5 | 5 | 1 | 3 | 25 | 3 | 0 | 1 | 6 | 6 | SP, L |
| 1999-09-06 | CIN | @ CHC | W, 6-3 | 7.0 | 6 | 3 | 2 | 2 | 6 | 29 | 1 | 0 | 1 | 6 | 9 | SP, W |
| 1999-09-11 | CIN | vs. FLA | W, 12-4 | 7.0 | 4 | 1 | 1 | 2 | 7 | 27 | 1 | 0 | 0 | 9 | 5 | SP, W |
| 1999-09-16 | CIN | vs. CHC | L, 7-6 | 6.0 | 4 | 4 | 1 | 4 | 5 | 27 | 0 | 0 | 1 | 6 | 6 | SP |
| 1999-09-21 | CIN | @ SDP | L, 6-2 | 5.0 | 4 | 2 | 1 | 3 | 6 | 21 | 0 | 0 | 1 | 3 | 5 | SP |
| 1999-09-26 | CIN | vs. STL | W, 7-5 | 7.0 | 5 | 1 | 1 | 1 | 6 | 27 | 2 | 0 | 1 | 10 | 5 | SP |
| 1999-10-02 | CIN | @ MIL | L, 10-6 | 2.1 | 5 | 5 | 4 | 0 | 1 | 12 | 0 | 0 | 0 | 2 | 2 | SP, L |
| Total Games: 33 | ||||||||||||||||