A team has finished a game with 15-13-4 runs-hits-errors line 2 times since 1897, most recently San Francisco Giants on 15 August 1965. That is about one every 221,502 team-games.
Box score for the most recent one ↗
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 15-14-3 15-14-0 15-14-1
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes