A team has finished a game with 12-10-3 runs-hits-errors line 5 times since 1897, most recently Newark Eagles on 18 July 1943. That is about one every 88,600 team-games.
Box score for the most recent one ↗
12-9-3 12-9-2 12-9-0 12-9-1 12-9-4 12-10-5 12-10-3 12-10-0 12-10-4 12-10-2 12-10-1 12-11-5 12-11-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes