Barry Zito had a record of 102-63 with an ERA of 3.55 and 1,096 strikeouts in 222 appearances between the 2000 and 2006 seasons.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Zito | 2000 |  OAK | 14 | 7 | 4 | .636 | 14 | 2.72 | 78 | 1 | 1 | 0 | 92.2 | 64 | 28 | 30 | 6 | 45 | 2 | 0 | 2 | 376 | 2 | 7.58 | 4.37 | 1.73 | 0.58 | 20.7 | 12.0 | 1.18 | .237 | 2.91 | 56 | 3.81 | 80 | 6.22 | 10 |
| 2 | | B. Zito | 2001 | OAK | 35 | 17 | 8 | .680 | 35 | 3.49 | 205 | 3 | 2 | 0 | 214.1 | 184 | 83 | 92 | 18 | 80 | 13 | 0 | 0 | 902 | 6 | 8.61 | 3.36 | 2.56 | 0.76 | 22.7 | 8.9 | 1.23 | .283 | 3.86 | 79 | 3.52 | 80 | 7.73 | 21.5 |
| 3 | | B. Zito | 2002 | OAK | 35 | 23 | 5 | .821 | 35 | 2.75 | 182 | 1 | 0 | 0 | 229.1 | 182 | 70 | 79 | 24 | 78 | 9 | 0 | 2 | 939 | 2 | 7.14 | 3.06 | 2.33 | 0.94 | 19.4 | 8.3 | 1.13 | .245 | 3.10 | 63 | 3.86 | 89 | 7.14 | 12.6 |
| 4 | | B. Zito | 2003 | OAK | 35 | 14 | 12 | .538 | 35 | 3.30 | 146 | 4 | 1 | 0 | 231.2 | 186 | 85 | 98 | 19 | 88 | 6 | 0 | 3 | 957 | 4 | 5.67 | 3.42 | 1.66 | 0.74 | 15.3 | 9.2 | 1.18 | .239 | 3.81 | 74 | 4.05 | 90 | 7.23 | 11.8 |
| 5 | | B. Zito | 2004 | OAK | 34 | 11 | 11 | .500 | 34 | 4.48 | 163 | 0 | 0 | 0 | 213.0 | 216 | 106 | 116 | 28 | 81 | 9 | 0 | 2 | 926 | 4 | 6.89 | 3.42 | 2.01 | 1.18 | 17.6 | 8.7 | 1.39 | .291 | 4.90 | 98 | 4.49 | 99 | 9.13 | 0.8 |
| 6 | | B. Zito | 2005 | OAK | 35 | 14 | 13 | .519 | 35 | 3.86 | 171 | 0 | 0 | 0 | 228.1 | 185 | 98 | 106 | 26 | 89 | 13 | 0 | 0 | 953 | 4 | 6.74 | 3.51 | 1.92 | 1.02 | 17.9 | 9.3 | 1.20 | .243 | 4.18 | 92 | 4.33 | 100 | 7.29 | -0.3 |
| 7 | | B. Zito | 2006 | OAK | 34 | 16 | 10 | .615 | 34 | 3.83 | 151 | 0 | 0 | 0 | 221.0 | 211 | 94 | 99 | 27 | 99 | 13 | 0 | 5 | 945 | 4 | 6.15 | 4.03 | 1.53 | 1.10 | 16.0 | 10.5 | 1.40 | .281 | 4.03 | 86 | 4.88 | 108 | 8.59 | -9 |
| Total | 222 | 102 | 63 | .618 | 222 | 3.55 | 1,096 | 9 | 4 | 0 | 1430.1 | 1,228 | 564 | 620 | 148 | 560 | 65 | 0 | 14 | 5,998 | 26 | 6.90 | 3.52 | 1.96 | 0.93 | 18.3 | 9.3 | 1.25 | .262 | 3.90 | 80 | 4.16 | 93 | 7.73 | 47.3 |
Mariners 
Astros 
Rangers 
Angels 
MIN 
BAL 
Yankees 
Blue Jays 
Tigers 
Guardians 
Mets 
Phillies 
Cubs 
Cardinals 
Dodgers 
Padres 
PIT 
ATL 
BOS 
WSH 
COL 
MIA 
MIL 
CIN 
CWS 
SFG 
