A team has finished a game with 3-7-6 runs-hits-errors line 34 times since 1897, most recently Toronto Blue Jays on 13 May 1982. That is about one every 13,029 team-games.
Box score for the most recent one ↗
3-7-2 3-7-5 3-7-0 3-7-4 3-7-8 3-7-9 3-7-6 3-7-10 3-7-7 3-8-0 3-8-1 3-8-6 3-8-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes