Big Ten Official Web Site
Big Ten Breakdown
Overall records do not include games against non-Division I opponents. Only Division I records are used to calculate RPI.
| RPI | Rank |
Non-Conference | 0.5965 | 1 |
Overall | 0.5891 | 1 |
Shaded teams made the tournament |
1998-1999 Standings
| Conference | Overall | Div I |
R/S | School | W | L | Pct | W | L | Pct | W | L | Pct | RPI | Rank |
| Michigan St | 15 | 1 | 0.938 | 28 | 4 | 0.875 | 28 | 4 | 0.875 | 0.6666 | 2 |
| Ohio State | 12 | 4 | 0.750 | 22 | 8 | 0.733 | 22 | 8 | 0.733 | 0.6020 | 20 |
| Wisconsin | 9 | 7 | 0.562 | 22 | 9 | 0.710 | 22 | 9 | 0.710 | 0.6120 | 14 |
| Indiana | 9 | 7 | 0.562 | 22 | 10 | 0.688 | 22 | 10 | 0.688 | 0.6085 | 16 |
| Iowa | 9 | 7 | 0.562 | 18 | 9 | 0.667 | 18 | 9 | 0.667 | 0.6143 | 12 |
| Minnesota | 8 | 8 | 0.500 | 17 | 10 | 0.630 | 17 | 10 | 0.630 | 0.5906 | 24 |
| Purdue | 7 | 9 | 0.438 | 19 | 12 | 0.613 | 19 | 12 | 0.613 | 0.5906 | 25 |
| Northwestern | 6 | 10 | 0.375 | 14 | 13 | 0.519 | 14 | 13 | 0.519 | 0.5493 | 78 |
| Penn State | 5 | 11 | 0.312 | 13 | 14 | 0.481 | 13 | 14 | 0.481 | 0.5448 | 85 |
| Michigan | 5 | 11 | 0.312 | 12 | 19 | 0.387 | 12 | 19 | 0.387 | 0.5449 | 84 |
| Illinois | 3 | 13 | 0.188 | 14 | 18 | 0.438 | 14 | 18 | 0.438 | 0.5568 | 61 |
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