A team has finished a game with 7-1-0 runs-hits-errors line 7 times since 1897, most recently Cleveland Buckeyes on 11 June 1948. That is about one every 63,286 team-games.
Box score for the most recent one ↗
6-21-3 6-21-0 6-22-2 6-22-4 6-24-1 6-28-5 7-1-0 7-1-1 7-2-0 7-3-1 7-3-9 7-3-2 7-3-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes