2009–10 Big Ten Conference men's basketball season Preconference ACC–Big Ten Challenge

| ACC_Team | Big_Ten_Team | Location_ | Attendance | Winner | Challenge_Leader |
|---|---|---|---|---|---|
| #18 Clemson | Illinois | Littlejohn Coliseum • Clemson, SC | 10000 | Illinois (76–74) | Big Ten (4–3) |
| Miami | Minnesota | BankUnited Center • Coral Gables, FL | 5157 | Miami (63–58) | Tied (4–4) |
| Boston College | Michigan | Crisler Arena • Ann Arbor, MI | 10718 | Boston College (62–58) | ACC (5–4) |
| #6 Duke | Wisconsin | Kohl Center • Madison, WI | 17230 | Wisconsin (73–69) | Tied (5–5) |