A team has finished a game with 5-21-0 runs-hits-errors line 1 time since 1897, most recently Houston Astros on 11 July 1970. That is about one every 443,004 team-games.
Box score for the most recent one ↗
5-19-0 5-20-3 5-20-1 5-20-2 5-20-0 5-21-5 5-21-0 5-21-2 5-22-4 5-22-0 5-22-1 6-1-3 6-1-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes