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Juan Guzman played 10 major-league seasons (1991-2000) as a P (240). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 3 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 32 | TOR|BAL | 33 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | -100 |
| 1999 | 33 | BAL | 21 | 6 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | .167 | .333 | -14 |
| 1999 | 33 | CIN | 12 | 26 | 1 | 3 | 0 | 2 | 0 | 1 | 10 | .115 | .264 | -30 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 25 | TOR | 23 | 23 | 10 | 3 | 0 | 138.2 | 123 | 66 | 2.99 | 137 |
| 1992 | 26 | TOR | 28 | 28 | 16 | 5 | 0 | 180.2 | 165 | 72 | 2.64 | 149 |
| 1993 | 27 | TOR | 33 | 33 | 14 | 3 | 0 | 221 | 194 | 110 | 3.99 | 108 |
| 1994 | 28 | TOR | 25 | 25 | 12 | 11 | 0 | 147.1 | 124 | 76 | 5.68 | 84 |
| 1995 | 29 | TOR | 24 | 24 | 4 | 14 | 0 | 135.1 | 94 | 73 | 6.32 | 75 |
| 1996 | 30 | TOR | 27 | 27 | 11 | 8 | 0 | 187.2 | 165 | 53 | 2.93 | 171 |
| 1997 | 31 | TOR | 13 | 13 | 3 | 6 | 0 | 60 | 52 | 31 | 4.95 | 92 |
| 1998 | 32 | TOR|BAL | 33 | 33 | 10 | 16 | 0 | 211 | 168 | 98 | 4.35 | 107 |
| 1999 | 33 | BAL | 21 | 21 | 5 | 9 | 0 | 122.2 | 95 | 65 | 4.18 | 116 |
| 1999 | 33 | CIN | 12 | 12 | 6 | 3 | 0 | 77.1 | 60 | 21 | 3.03 | 151 |
| 2000 | 34 | TBA | 1 | 1 | 0 | 1 | 0 | 1.2 | 3 | 2 | 43.19 | 11 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1991 | P | 23 | 23 | 5 | 9 | 3 | 1 |
| 1992 | P | 28 | 28 | 12 | 11 | 0 | 0 |
| 1993 | P | 33 | 33 | 11 | 16 | 1 | 0 |
| 1994 | P | 25 | 25 | 5 | 12 | 2 | 1 |
| 1995 | P | 24 | 24 | 7 | 12 | 2 | 0 |
| 1996 | P | 27 | 27 | 9 | 22 | 3 | 1 |
| 1997 | P | 13 | 13 | 1 | 7 | 3 | 0 |
| 1998 | P | 33 | 33 | 11 | 20 | 4 | 2 |
| 1999 | P | 33 | 33 | 7 | 23 | 3 | 6 |
| 2000 | P | 1 | 1 | 0 | 0 | 0 | 0 |
Team codes are the source codes (e.g. NYN for the New York Mets, BS1 for the 1875 Boston club). OPS+ is league-season normalized, not park-adjusted; unrecorded source values (such as RBI in the earliest recorded seasons) are absent, never zero-filled.
MVP, Cy Young and Rookie of the Year voting history (2 ballot finishes, 0 wins). Full year pages: 1993, 1991.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1991 | Rookie of the Year | AL | 2 | 68 / 140 | 1 |
| 1993 | Cy Young Award | AL | 7 | 1 / 140 | 0 |
Every career total and season line is computed from the SABR / Sean Lahman baseball database (2025 edition, CC BY-SA 3.0), the same source behind our historical position leaderboards. Rate stats use league-season normalization only (OPS+ and ERA+ as marked, never park-adjusted); unrecorded early-era values stay absent rather than being invented. Career totals sum only what the source records.
Award winners and MVP / Cy Young / Rookie of the Year voting history come from the same database; the year pages live under MLB award voting history. Official transactions (2011 to the current season) come from the MLB StatsAPI feed on our transactions archive.