A team has finished a game with 17-21-5 runs-hits-errors line 2 times since 1897, most recently St. Louis Cardinals on 12 July 1931. That is about one every 221,502 team-games.
Box score for the most recent one ↗
17-19-4 17-20-2 17-20-0 17-20-1 17-20-3 17-20-4 17-21-5 17-21-1 17-21-3 17-21-2 17-21-0 17-21-4 17-22-4
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes