A team has finished a game with 5-20-3 runs-hits-errors line 1 time since 1897, most recently Chicago White Sox on 24 June 1915. That is about one every 443,004 team-games.
Box score for the most recent one ↗
5-18-1 5-19-4 5-19-2 5-19-3 5-19-1 5-19-0 5-20-3 5-20-1 5-20-2 5-20-0 5-21-5 5-21-0 5-21-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes