A team has finished a game with 18-14-0 runs-hits-errors line 4 times since 1897, most recently Toronto Blue Jays on 31 August 2009. That is about one every 110,751 team-games.
Box score for the most recent one ↗
17-33-5 18-0-0 18-12-2 18-13-6 18-13-2 18-13-4 18-14-0 18-14-2 18-14-1 18-15-3 18-15-2 18-15-0 18-15-1
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes