Geraldo Guzman had a record of 5-4 with an ERA of 5.37 and 52 strikeouts in 13 appearances in his rookie season in 2000.
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 |  | G. Guzman | 9/30/2000 | 2000 |  ARI | vs |  SFG | W | 1 | 1.13 | 5 | 0 | 0 | 0 | 8.0 | 5 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 28 | 0 |
| 2 | | G. Guzman | 9/23/2000 | 2000 | ARI | @ | SFG | W | 1 | 4.76 | 4 | 0 | 0 | 0 | 5.2 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 23 | 0 |
| 3 | | G. Guzman | 9/16/2000 | 2000 | ARI | vs |  ATL | 0 | 4.50 | 3 | 0 | 0 | 0 | 2.0 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 10 | 0 | |
| 4 | | G. Guzman | 9/11/2000 | 2000 | ARI | vs |  LAD | 0 | 6.75 | 1 | 0 | 0 | 0 | 1.1 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 7 | 0 | |
| 5 | | G. Guzman | 8/29/2000 | 2000 | ARI | @ |  MON | 1 | 10.13 | 5 | 0 | 0 | 0 | 5.1 | 9 | 6 | 6 | 1 | 2 | 0 | 0 | 0 | 26 | 0 | |
| 6 | | G. Guzman | 8/22/2000 | 2000 | ARI | vs |  MIL | L | 1 | 7.20 | 5 | 0 | 0 | 0 | 5.0 | 6 | 4 | 4 | 2 | 2 | 2 | 0 | 0 | 22 | 0 |
| 7 | | G. Guzman | 8/15/2000 | 2000 | ARI | @ |  PHI | 1 | 7.71 | 4 | 0 | 0 | 0 | 4.2 | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21 | 1 | |
| 8 | | G. Guzman | 8/9/2000 | 2000 | ARI | vs | MON | L | 0 | 0 | 0 | 0 | 0 | 0.0 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 9 | | G. Guzman | 8/5/2000 | 2000 | ARI | vs |  NYM | L | 1 | 9.00 | 6 | 0 | 0 | 0 | 4.0 | 8 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 22 | 0 |
| 10 | | G. Guzman | 7/27/2000 | 2000 | ARI | @ |  STL | W | 1 | 6.35 | 5 | 0 | 0 | 0 | 5.2 | 7 | 4 | 4 | 1 | 3 | 0 | 0 | 0 | 26 | 1 |
| 11 | | G. Guzman | 7/22/2000 | 2000 | ARI | @ |  CIN | L | 1 | 16.88 | 2 | 0 | 0 | 0 | 2.2 | 6 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 15 | 1 |
| 12 | | G. Guzman | 7/17/2000 | 2000 | ARI | vs |  SEA | W | 1 | 0.00 | 9 | 0 | 0 | 0 | 8.0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 30 | 0 |
| 13 | | G. Guzman | 7/6/2000 | 2000 | ARI | @ |  HOU | W | 1 | 1.13 | 3 | 0 | 0 | 0 | 8.0 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 27 | 0 |
| Total | 10 | 5.37 | 52 | 0 | 0 | 0 | 60.1 | 66 | 36 | 36 | 8 | 22 | 2 | 0 | 0 | 259 | 3 |
Padres 
Diamondbacks 
Rockies 
Brewers 
Cubs 
Blue Jays 
Yankees 
Guardians 
Tigers 
Astros 
PIT 
WSH 
KCR 
BAL 
TEX 
MIN 
BOS 
