# 2021 Big Sky Conference men's basketball tournament

The 2021 Big Sky Conference men's basketball tournament was the postseason tournament for the Big Sky Conference, held March 10–13 at Idaho Central Arena in Boise, Idaho. It was the 46th edition of the tournament, which debuted in 1976.

## Seeds

The eleven teams were seeded by conference record, with a tiebreaker system for identical conference records. The top five teams received a first-round bye.
| Seed | School | Record | Tiebreaker 1 |
| 1 | Southern Utah | 12–2 | |
| 2 | Eastern Washington | 12–3 | 2–0 vs. Montana |
| 3 | Weber State | 12–3 | 1–1 vs. Montana |
| 4 | Idaho State | 8–6 | 1–1 vs. E. Washington |
| 5 | Montana State | 8–6 | 0–2 vs. E. Washington |
| 6 | Montana | 7–9 | |
| 7 | Portland State | 6–8 | 1–1 vs. Weber State |
| 8 | Northern Colorado | 6–8 | 0–1 vs. Weber State |
| 9 | Sacramento State | 5–9 | |
| 10 | Northern Arizona | 4–10 | |
| 11 | Idaho | 1–17 | |

## Schedule

| Session | Game | Time | Matchup | Score | Television |
| First round – Wednesday, March 10 |||||||
| 1 | 1 | 9:30 am | No. 8 Northern Colorado vs. No. 9 Sacramento State | 90–83 | Pluto TV 1050 |
| 1 | 2 | 12:00 pm | No. 7 Portland State vs. No. 10 Northern Arizona | 66–77 | Pluto TV 1050 |
| 1 | 3 | 2:30 pm | No. 6 Montana vs. No. 11 Idaho | 69–64 | Pluto TV 1050 |
| Quarterfinals – Thursday, March 11 |||||||
| 2 | 4 | 12:00 pm | No. 1 Southern Utah vs. No. 8 Northern Colorado | 91–83 | Pluto TV 1050 |
| 2 | 5 | 2:30 pm | No. 4 Idaho State vs. No. 5 Montana State | 63–71 | Pluto TV 1050 |
| 3 | 6 | 5:30 pm | No. 2 Eastern Washington vs. No. 10 Northern Arizona | 66–60 | Pluto TV 1050 |
| 3 | 7 | 8:00 pm | No. 3 Weber State vs. No. 6 Montana | 75–80 | Pluto TV 1050 |
| Semifinals – Friday, March 12 |||||||
| 4 | 8 | 5:30 pm | No. 1 Southern Utah vs. No. 5 Montana State | 77–80$^{OT}$ | Pluto TV 1050 |
| 4 | 9 | 8:00 pm | No. 2 Eastern Washington vs. No. 6 Montana | 78–50 | Pluto TV 1050 |
| Championship game – Saturday, March 13 |||||||
| 5 | 10 | 6:00 pm | No. 2 Eastern Washington vs. No. 5 Montana State | 65–55 | ESPNU |
| Game times in MT. Rankings denote tournament seeding. |||||||

## Bracket

| First round Wednesday, March 10 | First round Wednesday, March 10 | First round Wednesday, March 10 | Quarterfinals Thursday, March 11 | Quarterfinals Thursday, March 11 | Quarterfinals Thursday, March 11 | Semifinals Friday, March 12 | Semifinals Friday, March 12 | Semifinals Friday, March 12 | Championship Saturday, March 13 | Championship Saturday, March 13 | Championship Saturday, March 13 |
| | | | 1 | Southern Utah | 91 | | | | | | |
| | | | 8 | Northern Colorado | 83 | | | | | | |
| 8 | Northern Colorado | 90 | 8 | Northern Colorado | 83 | | | | | | |
| 9 | Sacramento State | 83 | | | | | | | | | |
| 9 | Sacramento State | 83 | | | | 1 | Southern Utah | 77 | | | |
| | | | | | | 5 | Montana State | 80* | | | |
| | | | 4 | Idaho State | 63 | | | | | | |
| | | | 5 | Montana State | 71 | | | | | | |
| | | | | | | | | | 5 | Montana State | 55 |
| | | | | | | | | | 2 | Eastern Washington | 65 |
| | | | 2 | Eastern Washington | 66 | | | | | | |
| | | | 10 | Northern Arizona | 60 | | | | | | |
| 7 | Portland State | 66 | 10 | Northern Arizona | 60 | | | | | | |
| 10 | Northern Arizona | 77 | | | | | | | | | |
| 10 | Northern Arizona | 77 | | | | 2 | Eastern Washington | 78 | | | |
| | | | | | | 6 | Montana | 50 | | | |
| | | | 3 | Weber State | 75 | | | | | | |
| | | | 6 | Montana | 80 | | | | | | |
| 6 | Montana | 69 | 6 | Montana | 80 | | | | | | |
| 11 | Idaho | 64 | | | | | | | | | |