A team has finished a game with 20-21-3 runs-hits-errors line 3 times since 1897, most recently Cleveland Guardians on 7 May 1999. That is about one every 147,668 team-games.
Box score for the most recent one ↗
20-20-2 20-20-1 20-20-0 20-21-2 20-21-5 20-21-1 20-21-3 20-21-0 20-22-3 20-22-2 20-22-1 20-22-4 20-22-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes