Division 1 was split midway through the 2017 season into two separate divisions. D1a was formed from the top 4 teams in Division 1 to allow for a more competitive latter half of the season. All standings and results were carried forward from the first half of the season.
D1a 2017
| Pos | Team | W | L | Pct | RS | RA | Diff | Strk |
|---|---|---|---|---|---|---|---|---|
| 1 |  Capitals | 11 | 2 | 0.846 | 259 | 178 | 81 | W4 |
| 2 |  Haar Hitters | 9 | 4 | 0.692 | 199 | 166 | 33 | L1 |
| 3 |  Forgers | 7 | 6 | 0.538 | 218 | 209 | 9 | W1 |
| 4 |  Bolts | 5 | 8 | 0.385 | 194 | 210 | -16 | L3 |