A team has finished a game with 7-18-3 runs-hits-errors line 8 times since 1897, most recently Kansas City Royals on 24 April 2010. That is about one every 55,375 team-games.
Box score for the most recent one ↗
7-17-5 7-17-8 7-18-5 7-18-1 7-18-4 7-18-0 7-18-3 7-18-7 7-18-2 7-19-1 7-19-0 7-19-2 7-19-3
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes