The International League season took place from April to September 2005.
The Toledo Mud Hens defeated the Indianapolis Indians to win the league championship also known as the Governors' Cup Finals.
| International League - North Division | |||||
|---|---|---|---|---|---|
| Team | Win | Loss | % | GB | |
| Buffalo Bisons (CLE) | 82 | 62 | .569 | – | |
| Rochester Red Wings (MIN) | 75 | 69 | .521 | 7 | |
| Pawtucket Red Sox (BOS) | 75 | 69 | .521 | 7 | |
| Syracuse Chiefs (TOR) | 71 | 73 | .493 | 11 | |
| Scranton/Wilkes-Barre Red Barons (PHI) | 69 | 75 | .479 | 13 | |
| Ottawa Lynx (BAL) | 69 | 75 | .479 | 13 | |
| International League - South Division | |||||
|---|---|---|---|---|---|
| Team | Win | Loss | % | GB | |
| Norfolk Tides (NYM) | 79 | 65 | .549 | – | |
| Durham Bulls (TB) | 65 | 79 | .451 | 14 | |
| Charlotte Knights (CWS) | 57 | 87 | .396 | 22 | |
| Richmond Braves (ATL) | 56 | 88 | .389 | 23 | |
| International League - West Division | |||||
|---|---|---|---|---|---|
| Team | Win | Loss | % | GB | |
| Toledo Mud Hens (DET) | 89 | 55 | .618 | – | |
| Indianapolis Indians (PIT) | 78 | 66 | .542 | 11 | |
| Columbus Clippers (NYY) | 77 | 67 | .000 | 12 | |
| Louisville Bats (CIN) | 66 | 78 | .458 | 28 | |
| +Buffalo Bisons vs Indianapolis Indians | +Indianapolis won the series, 3–2. | Game | Date | Team | Score | Location |
|---|---|---|---|---|---|---|
| 1 | September 7 | Buffalo at Indianapolis | 5–1 | Victory Field | ||
| 2 | September 8 | Buffalo at Indianapolis | 6–5 | Victory Field | ||
| 3 | September 9 | Indianapolis at Buffalo | 5–2 | Sahlen Field | ||
| 4 | September 10 | Indianapolis at Buffalo | 4–1 | Sahlen Field | ||
| 5 | September 11 | Indianapolis at Buffalo | 6–4 | Sahlen Field |
| +Norfolk Tides vs Toledo Mud Hens | +Toled won the series, 3–2. | Game | Date | Team | Score | Location |
|---|---|---|---|---|---|---|
| 1 | September 7 | Toledo at Norfolk | 6–5 | Harbor Park | ||
| 2 | September 8 | Toledo at Norfolk | 7–3 | Harbor Park | ||
| 3 | September 9 | Norfolk at Toledo | 4–2 | Fifth Third Field | ||
| 4 | September 10 | Norfolk at Toledo | 3–2 | Fifth Third Field | ||
| 5 | September 11 | Norfolk at Toledo | 5–3 | Fifth Third Field |
| +Indianapolis Indians vs Toledo Mud Hens | +Toled won the series, 3–0. | Game | Date | Team | Score | Location |
|---|---|---|---|---|---|---|
| 1 | September 13 | Indianapolis at Toledo | 10–8 | Fifth Third Field | ||
| 2 | September 14 | Indianapolis at Toledo | 6–3 | Fifth Third Field | ||
| 3 | September 15 | Toledo at Indianapolis | 8–3 | Victory Field |