Mike Emeigh, a fellow member of the Society for American Baseball Research, shared some data on the extra-inning-runner-on-second and its effect on the length of games.
The rule was first used during the 2020 season.
u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a02019u00a0 u00a0 u00a0 u00a0 u00a0u00a02020-21
Games Playedu00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 2429u00a0 u00a0 u00a0 u00a0 u00a0 u00a0u00a0 u00a03327
Extra-Inning Gamesu00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 208u00a0(8.6%) 284 (8.5%)
Extra-Innings Playedu00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 u00a0 478u00a0(2.