A team has finished a game with 6-2-1 runs-hits-errors line 3 times since 1897, most recently Philadelphia Stars on 4 July 1944. That is about one every 147,668 team-games.
Box score for the most recent one ↗
5-22-4 5-22-0 5-22-1 6-1-3 6-1-0 6-2-0 6-2-1 6-2-3 6-2-2 6-3-2 6-3-1 6-3-4 6-3-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes