A team has finished a game with 12-15-3 runs-hits-errors line 35 times since 1897, most recently New York Yankees on 11 June 2019. That is about one every 12,657 team-games.
Box score for the most recent one ↗
12-14-6 12-14-0 12-15-2 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
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes