A team has finished a game with 12-15-8 runs-hits-errors line 1 time since 1897, most recently Chicago Cubs on 15 July 1911. That is about one every 443,004 team-games.
Box score for the most recent one ↗
12-15-5 12-15-1 12-15-4 12-15-3 12-15-6 12-15-0 12-15-8 12-16-2 12-16-5 12-16-0 12-16-3 12-16-1 12-16-4
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes