A team has finished a game with 6-9-9 runs-hits-errors line 1 time since 1897, most recently St. Louis Cardinals on 17 August 1899. That is about one every 443,004 team-games.
Box score for the most recent one ↗
6-9-3 6-9-1 6-9-5 6-9-4 6-9-8 6-9-0 6-9-9 6-9-10 6-9-7 6-10-2 6-10-5 6-10-1 6-10-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes