A team has finished a game with 9-20-0 runs-hits-errors line 12 times since 1897, most recently New York Yankees on 5 July 2016. That is about one every 36,917 team-games.
Box score for the most recent one ↗
9-19-4 9-20-2 9-20-7 9-20-1 9-20-3 9-20-4 9-20-0 9-21-1 9-21-2 9-21-0 9-21-4 9-21-5 9-22-3
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes