A team has finished a game with 19 left on base 224 times since 1897, most recently Atlanta Braves on 11 September 2020. That is about one every 1,977 team-games.
Box score for the most recent one ↗
14 15 16 17 18 19 20 21 22 23 24 25
The whole distribution — Runners Left on Base · All 18 shapes