A team has finished a game with 5-20-0 runs-hits-errors line 2 times since 1897, most recently San Diego Padres on 29 April 2005. That is about one every 221,502 team-games.
Box score for the most recent one ↗
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 5-22-4 5-22-0 5-22-1
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes