A team has finished a game with 7-18-2 runs-hits-errors line 16 times since 1897, most recently Detroit Tigers on 2 May 2000. That is about one every 27,687 team-games.
Box score for the most recent one ↗
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 7-20-1 7-20-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes