A team has finished a game with 10-12-9 runs-hits-errors line 1 time since 1897, most recently St. Louis Cardinals on 18 September 1897. That is about one every 443,004 team-games.
Box score for the most recent one ↗
10-11-8 10-11-7 10-12-2 10-12-7 10-12-1 10-12-3 10-12-9 10-12-0 10-12-4 10-12-5 10-12-6 10-13-1 10-13-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes