A team has finished a game with 15-13-1 runs-hits-errors line 17 times since 1897, most recently Chicago Cubs on 5 October 2022. That is about one every 26,059 team-games.
Box score for the most recent one ↗
15-12-0 15-12-6 15-12-5 15-12-4 15-12-1 15-13-3 15-13-1 15-13-2 15-13-0 15-13-4 15-13-5 15-14-2 15-14-4
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes